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Evidence record

Where did the Trinity come from?

Every sentence on the exploration belongs to at least one claim below. Each says what kind of statement it is, what it rests on, what the evidence does not establish, and how far it was checked. Nothing here is a score, and none of it is a verdict on a belief or a theory.

Last checked 23 September 2026.

  • Source checked: 32
  • A judgement, not a fact: 17
  • Partly checked: 2

If something here is wrong, misquoted, out of date or unfair, write to support@unknownoceans.com and give the claim number, which does not change.

What the question takes for granted

A historical question about how a doctrine was formed, asked of a doctrine its churches hold to be revealed rather than invented. The page traces the formulation and leaves what it describes to belief.

  • There is one doctrine called the Trinity to trace

    Contested

    The churches that confess the Nicene Creed share its core, but East and West still differ over the filioque, and the Oriental Orthodox reject Chalcedon. The positions the councils condemned by name rejected it, and the page’s labels for them are the councils’ own.

  • It came from somewhere in history

    Contested

    The page traces how the formula was assembled. The Catholic Catechism holds that the Trinity is a mystery that could never be known unless revealed; a historian traces the formulation, and a church holds that the formulation articulates what was revealed. Both can be true of the same documents.

  • The earliest texts pose the problem the doctrine answers

    Established

    That Paul’s letters and Matthew hold one God together with worship of Jesus and a named Spirit is on the face of the texts. Whether they also resolve it is the contested part.

How the question is labelled

Claim: One God, three

Kind
Statement of belief. What Christians named here hold by faith. Historical method cannot settle it either way.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.
Held by
Churches confessing the Nicene Creed

Names the doctrine the page traces, in the shape the churches that confess the Nicene Creed hold it: one God, and three. The page reports it as belief and traces how it was formulated.

Claim 61 · checked 23 September 2026 · AI-assisted audit

Claim: The Trinity

Kind
Framing. Signposting. It asserts nothing a source could check.

The question

Claim: The word is not in the Bible.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

What this does not establish

Searched in one English translation, the WEB. When the word first appears in Christian writing is not on this page and was not checked.

Claim 1 · checked 23 September 2026 · AI-assisted audit

Claim: The problem it was invented to solve is.

Kind
This page’s reading. A judgement the page makes from the evidence. Others read it differently.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.

The problem is the one the first passage sets out: one God, and worship of Jesus and a named Spirit alongside the Father.

Claim 2 · checked 23 September 2026 · AI-assisted audit

Claim: Christianity inherited a strict monotheism, then worshipped a man and baptised in the name of Father, Son and Spirit.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

  • Supports · WEB

    Deuteronomy 6, World English BibleDeuteronomy 6:4

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: Hear, Israel: Yahweh is our God. Yahweh is one.

  • Supports · WEB

    Philippians 2, World English BiblePhilippians 2:7-11

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: being made in the likeness of men. And being found in human form, he humbled himself ... that at the name of Jesus every knee should bow, of those in heaven, those on earth, and those under the earth, and that every tongue should confess that Jesus Christ is Lord, to the glory of God the Father.

  • Supports · WEB

    Matthew 28, World English BibleMatthew 28:19

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: Go and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit,

  • Supports

    The doctrine of the Trinity in the early church (review of Franz Dünzl, A brief history of the doctrine of the Trinity in the early church)p. 1

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: According to Dünzl what trinitarian reflection tried to deal with, was how to combine biblical monotheism with the belief in Jesus Christ as the divine Savior and in the sanctifying Spirit (pp. 1–2).

What this does not establish

"Worshipped a man" is the page’s compression: the texts show worship of Jesus, whom his worshippers did not regard as only a man.

Corrected

23 September 2026. Previously: “Christianity inherited a strict monotheism and then worshipped a man and prayed to a spirit.” Nothing cited on the page, or read for this audit, shows early Christians praying to the Spirit. The earliest material cited names the Spirit in the baptismal formula (Matthew 28:19); worship of the Spirit alongside the Father and the Son is first confessed conciliarly in 381. The sentence now says what the cited texts carry.

Claim 3 · checked 23 September 2026 · AI-assisted audit

Claim: The doctrine is the answer worked out over three centuries to the question that left.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

What this does not establish

The span runs from Paul’s letters to 381, about three hundred and thirty years. Ayres argues that argument continued after 381.

Claim 4 · checked 23 September 2026 · AI-assisted audit

Claim: A frequent objection is that the word Trinity never appears in the Bible, which is true

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

  • Supports

    Three I know not what: The influence of Greek philosophy on the doctrine of Trinityp. 1

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: A number of ancient and even contemporary theologians claim that the doctrine originated in Greek speculative philosophy ... the majority of Catholic, Orthodox and Protestant or evangelical scholars deny these findings on the basis of clear biblical testimony about the Trinity although the term itself is not used in Scripture.

Claim 5 · checked 23 September 2026 · AI-assisted audit

Claim: and a frequent reply is that the idea does, which is doing a lot of work.

Kind
This page’s reading. A judgement the page makes from the evidence. Others read it differently.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.

  • Context

    Three I know not what: The influence of Greek philosophy on the doctrine of Trinityp. 1

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: the majority of Catholic, Orthodox and Protestant or evangelical scholars deny these findings on the basis of clear biblical testimony about the Trinity although the term itself is not used in Scripture.

    The reply is real and, by Santrac’s account, the majority position.

Other readings

Santrac reports that most Catholic, Orthodox and Protestant scholars hold the reply to be sound; "doing a lot of work" is the page’s judgement, and the uncertain section below sets out both readings.

Claim 6 · checked 23 September 2026 · AI-assisted audit

Claim: Both miss the more interesting thing, which is that the doctrine is visibly a solution.

Kind
This page’s reading. A judgement the page makes from the evidence. Others read it differently.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.

Claim 7 · checked 23 September 2026 · AI-assisted audit

Claim: You can see the problem arrive first.

Kind
This page’s reading. A judgement the page makes from the evidence. Others read it differently.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.

Claim 8 · checked 23 September 2026 · AI-assisted audit

How it was assembled

Claim: How it was assembled

Kind
Framing. Signposting. It asserts nothing a source could check.

The problem is in the earliest material

Claim: The problem is in the earliest material

Kind
This page’s reading. A judgement the page makes from the evidence. Others read it differently.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.

Claim 13 · checked 23 September 2026 · AI-assisted audit

Claim: The first Christians were Jews for whom there was one God and no other.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

  • Supports · WEB

    Deuteronomy 6, World English BibleDeuteronomy 6:4

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: Hear, Israel: Yahweh is our God. Yahweh is one.

  • Supports · WEB

    Isaiah 45, World English BibleIsaiah 45:22

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: Look to me, and be saved, all the ends of the earth; for I am God, and there is no other.

  • Supports · WEB

    Galatians 2, World English BibleGalatians 2:15

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: We, being Jews by nature and not Gentile sinners,

    Paul, of himself and Peter.

  • Supports · WEB

    1 Corinthians 8, World English Bible1 Corinthians 8:4

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: we know that no idol is anything in the world, and that there is no other God but one.

What this does not establish

Paul and Peter are two of the first Christians, and Paul’s letters are the earliest writings; that the movement’s first members generally were Jews is not argued from a further source here.

Claim 14 · checked 23 September 2026 · AI-assisted audit

Claim: By the time Paul was writing, from about 51, they were worshipping Jesus and applying to him language the Hebrew scriptures reserve for God.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

  • Supports

    Is rewritten Bible/Scripture the solution to the Synoptic Problem?p. 8

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: Even in Paul’s earliest letter (1 Th 2:14–16), written around 51 CE

  • Supports · WEB

    Philippians 2, World English BiblePhilippians 2:9-11

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: Therefore God also highly exalted him, and gave to him the name which is above every name, that at the name of Jesus every knee should bow, of those in heaven, those on earth, and those under the earth, and that every tongue should confess that Jesus Christ is Lord, to the glory of God the Father.

  • Supports · WEB

    Isaiah 45, World English BibleIsaiah 45:22-23

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: for I am God, and there is no other. I have sworn by myself. The word has gone out of my mouth in righteousness, and will not be revoked, that to me every knee shall bow, every tongue shall take an oath.

  • Context

    A Rhetorical analysis of Philippians 1:27-2:18p. 791

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: Assuming that the hymn has a pre-Pauline orig in

    Snyman treats the hymn as possibly older than the letter.

What this does not establish

Malan dates Paul’s earliest letter; the sources read give no date for Philippians itself, which falls later in his career.

Corrected

23 September 2026. Previously: “Within a generation they were worshipping Jesus and applying to him language the Hebrew scriptures reserve for God.” "Within a generation" needs a date for the crucifixion and for the letters, and the page cited neither. Malan dates Paul’s earliest letter to about 51, which is the dated fact the sentence can stand on.

Claim 15 · checked 23 September 2026 · AI-assisted audit

Claim: Isaiah has every knee bowing to the Lord; Paul has every knee bowing at the name of Jesus.

Kind
Describes a Bible passage. What a biblical passage says, in this page’s words. A fact about the text, separate from whether an event happened.
Review
Source checked. The cited passage was read, and it says this.

In Isaiah the speaker is Yahweh, whom the WEB names and many English Bibles render "the LORD".

  • Supports · WEB

    Isaiah 45, World English BibleIsaiah 45:21-23

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: Haven’t I, Yahweh? There is no other God besides me, a just God and a Savior. There is no one besides me. ... that to me every knee shall bow, every tongue shall take an oath.

  • Supports · WEB

    Philippians 2, World English BiblePhilippians 2:10

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: that at the name of Jesus every knee should bow

Claim 16 · checked 23 September 2026 · AI-assisted audit

Claim: The baptismal formula at the end of Matthew names a third, the Spirit, alongside the other two.

Kind
Describes a Bible passage. What a biblical passage says, in this page’s words. A fact about the text, separate from whether an event happened.
Review
Source checked. The cited passage was read, and it says this.

  • Supports · WEB

    Matthew 28, World English BibleMatthew 28:19

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: Go and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit,

Claim 17 · checked 23 September 2026 · AI-assisted audit

Claim: They also kept insisting there was one God.

Kind
Describes a Bible passage. What a biblical passage says, in this page’s words. A fact about the text, separate from whether an event happened.
Review
Source checked. The cited passage was read, and it says this.

  • Supports · WEB

    1 Corinthians 8, World English Bible1 Corinthians 8:4-6

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: there is no other God but one. ... yet to us there is one God, the Father, of whom are all things, and we for him;

Claim 18 · checked 23 September 2026 · AI-assisted audit

Claim: Paul manages both in a single sentence: one God, the Father, and one Lord, Jesus Christ.

Kind
Describes a Bible passage. What a biblical passage says, in this page’s words. A fact about the text, separate from whether an event happened.
Review
Source checked. The cited passage was read, and it says this.

  • Supports · WEB

    1 Corinthians 8, World English Bible1 Corinthians 8:6

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: yet to us there is one God, the Father, of whom are all things, and we for him; and one Lord, Jesus Christ, through whom are all things, and we live through him.

Corrected

23 September 2026. Previously: “Paul manages both in a single sentence: one God, the Father, and one Lord, Jesus Christ. Nobody in the New Testament reconciles these, and nobody appears to think they need to, which is exactly what leaves the problem for everyone afterwards.” The removed sentence (claim 20) ruled that no New Testament text reconciles the one God with the one Lord. Whether 1 Corinthians 8:6 is itself such a reconciliation is argued in New Testament scholarship and no study of the verse could be read (flagged for a qualified reviewer). Removed; the paragraph now ends on the verse, which poses the problem the next section traces.

Claim 19 · checked 23 September 2026 · AI-assisted audit

The vocabulary was built, argued over, and fixed in stages

Claim: The vocabulary was built, argued over, and fixed in stages

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Partly checked. Only part of the source could be read. What was not read is listed.

What this does not establish

Ayres was read as abstracts only.

Claim 21 · checked 23 September 2026 · AI-assisted audit

Claim: Nicaea in 325 defined the Son: of one substance with the Father, begotten not made, with an anathema against saying there was a time when he was not.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

  • Supports · English (Percival), with the Greek and Latin terms he prints

    The First Council of Nicaea: the creed and the twenty canonsThe Ecthesis and its anathema

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: begotten ( γεννηθέντα ), not made, being of one substance ( ὁμοούσιον , consubstantialem) with the Father. ... And whosoever shall say that there was a time when the Son of God was not ( ἤν ποτε ὅτε οὐκ ἦν ), or that before he was begotten he was not

  • Qualifies

    Nicaea and its Legacy: An Approach to Fourth-Century Trinitarian Theologychapter 11 abstract

    Cited · Link answered, 19 October 2026 · Abstract only, 23 September 2026

    The source reads: Ends by arguing that the story of these controversies and of the non-Nicene theology should not be seen as ending in 381. By the early 380s the pro-Nicene ‘solution’ that endured had emerged, but argument and controversy continued.

  • Qualifies

    The doctrine of the Trinity in the early church (review of Franz Dünzl, A brief history of the doctrine of the Trinity in the early church)p. 1

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: At the Council of Nicea (325), the emperor Constantine tried to settle the issue, but the aftermath of Nicea showed that the ambiguous term ‘homo-ousios’, which is not the core statement of the creed of Nicea (p. 57), allowed for different interpretations.

Corrected

23 September 2026. Previously: “Nicaea in 325 settled the Son” Nicaea did not settle the question. Muis reports Dünzl showing that its key term "allowed for different interpretations", and Ayres argues controversy ran on past 381. The creed defined; the settling took the rest of the century, which the page’s own heading says.

Claim 22 · checked 23 September 2026 · AI-assisted audit

Claim: It says comparatively little about the Spirit.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

Claim 23 · checked 23 September 2026 · AI-assisted audit

Claim: The creed now called the Nicene is the fuller text that Chalcedon attributes to the council at Constantinople in 381, and that is where the Spirit is worshipped and glorified together with the Father and the Son.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

  • Supports

    Catechism of the Catholic Church, paragraph 195: the Nicene CreedCatechism 195

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: The Niceno-Constantinopolitan or Nicene Creed draws its great authority from the fact that it stems from the first two ecumenical Councils (in 325 and 381).

  • Supports · English (Percival)

    The Council of Chalcedon: the definition of faith and the canonsActs, before the Definition

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: Item , the Creed of the one hundred and fifty holy Fathers who were assembled at Constantinople.

  • Supports · English (Percival)

    The First Council of Constantinople: the creed of 381 and its canonsThe Creed

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: And [we believe ] in the Holy Ghost , the Lord and Giver-of-Life, who proceeds from the Father , who with the Father and the Son together is worshipped and glorified , who spoke by the prophets .

What this does not establish

The 381 creed does not call the Spirit "of one substance" or "God" in so many words; it gives the Spirit the same worship.

Corrected

23 September 2026. Previously: “The creed most churches recite is the expansion agreed at Constantinople in 381, which is where the Spirit is given the same weight.” "Most churches recite" is a count no source here makes; "expansion" and "agreed at" state as simple fact a text the acts of Chalcedon are the witness for; and "the same weight" is vaguer than what the creed says. The sentence now names the creed as the Catechism does, attributes it as Chalcedon does, and quotes what 381 says of the Spirit.

Claim 24 · checked 23 September 2026 · AI-assisted audit

Claim: Chalcedon in 451 then defined the other half of the problem, how one person can be both divine and human, in the formula of two natures "unconfusedly, immutably, indivisibly, inseparably" united

Kind
Quotes a source. The words of a named text, checked against the source.
Review
Source checked. The cited passage was read, and it says this.

  • Supports · English (Percival)

    The Council of Chalcedon: the definition of faith and the canonsThe Definition of Faith

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: This one and the same Jesus Christ , the only-begotten Son [of God] must be confessed to be in two natures , unconfusedly, immutably, indivisibly, inseparably [united], and that without the distinction of natures being taken away by such union, but rather the peculiar property of each nature being preserved and being united in one Person and subsistence

Corrected

23 September 2026. Previously: “Chalcedon in 451 then settled the other half of the problem” "Settled" is untrue of the churches that rejected the definition; see the clause added after it.

Claim 25 · checked 23 September 2026 · AI-assisted audit

Claim: which the Oriental Orthodox churches do not accept.

Kind
A church’s teaching. What the named tradition teaches, from its own documents. Evidence of what is taught, not proof that it is true, and not what every Christian holds.
Review
Source checked. The cited passage was read, and it says this.
Held by
Oriental Orthodox

  • Supports

    Orthodox Christianity in the 21st CenturySidebar, Eastern Orthodoxy vs. Oriental Orthodoxy

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: But Oriental Orthodoxy, which is considered “non-Chalcedonian,” teaches that Christ’s divine and human natures are unified, not separated.

What this does not establish

Pew is a survey organisation summarising, not an Oriental Orthodox document. The Oriental Orthodox churches confess Christ fully divine and fully human; what they reject is the Chalcedonian formula.

Corrected

23 September 2026. Previously: “” The sentence said Chalcedon settled the question, which is true only of the churches that received it. The Coptic, Ethiopian, Eritrean, Syriac, Armenian and Malankara churches did not, and the page did not say so.

Claim 26 · checked 23 September 2026 · AI-assisted audit

Claim: A century and a quarter, four councils counting Ephesus, and a great deal of exile in between.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

  • Supports · English (Percival)

    The Council of Chalcedon: the definition of faith and the canonsActs

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: which were confirmed and published in the first Council of Ephesus

  • Supports

    St. Athanasiussections on the exiles

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: Athanasius was condemned to go into exile at Treves ... It was the beginning of his third exile. ... in October, 364, Athanasius was once more an exile.

  • Supports

    Introduction to Tomus ad Antiochenosp. 481

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: A few weeks after his accession (Feb. 362) an edict recalled all the exiled Bishops.

What this does not establish

325 to 451 is 126 years. The exiles cited are Athanasius’s and those of the bishops recalled in 362; the page does not count them.

Corrected

23 September 2026. Previously: “A century and a quarter, three councils, and a great deal of exile in between.” Between 325 and 451 there were four general councils, not three: Chalcedon’s own acts appeal to "the first Council of Ephesus".

24 September 2026. Previously: “A century and a quarter, four councils counting Ephesus in 431, and a great deal of exile in between.” The excerpts read name the first Council of Ephesus but none of them dates it, so the year is gone.

Claim 27 · checked 23 September 2026 · AI-assisted audit

One clause became a line between East and West

Claim: One clause became a line between East and West

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

  • Supports

    FilioqueDogmatic meaning of filioque

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: Photius , the successor of the unjustly deposed Ignatius , Patriarch of Constantinople (858), denied the Procession of the Holy Ghost from the Son , and opposed the insertion of the Filioque into the Constantinopolitan creed .

  • Qualifies

    Orthodox Christianity in the 21st CenturyOverview

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: Formal schism owing to theological and political disputes has divided Eastern Orthodoxy from Roman Catholicism since the year 1054

    The separation had more than one cause.

What this does not establish

The clause is one of the causes of the separation, not the only one; papal authority is the other the sources name.

Corrected

23 September 2026. Previously: “One clause later split the church” The heading made the filioque the cause of the schism. Pew attributes the separation to "theological and political disputes", and the Catholic Encyclopedia names papal primacy alongside it. The ledger had already removed the claim about 1054 from the body; the heading kept it.

Claim 28 · checked 23 September 2026 · AI-assisted audit

Claim: The creed as agreed said the Spirit proceeds from the Father.

Kind
Quotes a source. The words of a named text, checked against the source.
Review
Source checked. The cited passage was read, and it says this.

Claim 29 · checked 23 September 2026 · AI-assisted audit

Claim: Western churches later added "and the Son", the filioque, without an ecumenical council to do it: it was sung in Spain after 589, a pope advised leaving it out of the creed in the early ninth century, and Rome itself took it up in the eleventh.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

  • Supports

    FilioqueHistorical importance of the filioque

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: But conditions were different in Spain after the Goths had renounced Arianism and professed the Catholic faith in the Third Synod of Toledo, 589. It cannot be acertained who first added the Filioque to the Creed ; but it appears to be certain that the Creed , with the addition of the Filioque, was first sung in the Spanish Church after the conversion of the Goths . ... in 809 the Council of Aachen appears to have approved of it. The decrees of this last council were examined by Pope Leo III , who approved of the doctrine conveyed by the Filioque, but gave the advice to omit the expression in the Creed . ... Scholars do not agree as to the exact time of its introduction into Rome , but most assign it to the reign of Benedict VIII (1014-15). ... Had not Rome overstepped her rights by disobeying the injunction of the Third Council, of Ephesus (431), and of the Fourth, of Chalcedon (451)?

What this does not establish

The additions were made by local councils (Toledo, Friuli, Aachen), which is why "without an ecumenical council" is the exact phrase. Siecienski’s monograph, which would carry the detail, was not read.

Corrected

23 September 2026. Previously: “Western churches later added "and the Son", the filioque, without an ecumenical council to do it.” The next sentence blamed Rome for amending the creed on its own authority. Rome was the last Western church to adopt the addition, and a pope advised against it; the sequence is added so the objection that follows is accurate.

Claim 30 · checked 23 September 2026 · AI-assisted audit

Claim: The East objected both to the theology and to the West amending a conciliar text on its own authority.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

  • Supports

    FilioqueHistorical importance of the filioque

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: Had not Rome overstepped her rights by disobeying the injunction of the Third Council, of Ephesus (431), and of the Fourth, of Chalcedon (451)?

  • Supports

    FilioqueDogmatic meaning of filioque

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: Photius , the successor of the unjustly deposed Ignatius , Patriarch of Constantinople (858), denied the Procession of the Holy Ghost from the Son , and opposed the insertion of the Filioque into the Constantinopolitan creed .

What this does not establish

Read in a Catholic source of 1909 that reports the Eastern objection in order to answer it. No Orthodox document was read.

Corrected

23 September 2026. Previously: “The East objected both to the theology and to Rome amending a conciliar text on its own authority.” The addition was made in Spain and the Frankish churches before Rome adopted it; the objection, from Photius on, was to the insertion as such.

Claim 31 · checked 23 September 2026 · AI-assisted audit

Claim: The history of that one clause is long enough to have a monograph of its own, running from the New Testament to the twenty-first century

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Partly checked. Only part of the source could be read. What was not read is listed.

  • Supports

    The Filioque: History of a Doctrinal ControversyCrossref chapter records

    Cited · Link answered, 19 October 2026 · Catalogue record only, 23 September 2026

    The source reads: The Procession of the Holy Spirit in the New Testament ... The Twentieth and Twenty-first Centuries

    Supports only what the Crossref records state: that the book is a monograph on the filioque, and that its chapter titles run from the New Testament to the twentieth and twenty-first centuries.

What this does not establish

Only the Crossref records, with the chapter titles, were read, not the book. They carry the book’s existence and its span, nothing it argues.

Corrected

23 September 2026. Previously: “running from the Greek fathers to the Council of Ferrara-Florence” The book’s chapters begin with the New Testament and end with the twentieth and twenty-first centuries; Ferrara-Florence is chapter eight of eleven.

Claim 32 · checked 23 September 2026 · AI-assisted audit

Claim: which is a fair measure of how much weight these words were carrying.

Kind
This page’s reading. A judgement the page makes from the evidence. Others read it differently.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.

Claim 33 · checked 23 September 2026 · AI-assisted audit

What kind of thing it is

Claim: What kind of thing it is

Kind
Framing. Signposting. It asserts nothing a source could check.

How much is development and how much is drawing out

Claim: How much is development and how much is drawing out

Kind
Framing. Signposting. It asserts nothing a source could check.

Claim: One account has the doctrine as a genuine development: categories borrowed from Greek philosophy, applied to a problem the texts pose but do not solve, producing something the first Christians would not have recognised in that form.

Kind
What scholars argue. A report of what specialists argue, or where they disagree.
Review
Source checked. The cited passage was read, and it says this.

What this does not establish

Santrac reports this as the minority view among Catholic, Orthodox and Protestant scholars.

Claim 36 · checked 23 September 2026 · AI-assisted audit

Claim: Another has it as articulation: the church saying carefully, under pressure from people denying it, what it had been doing in worship since the beginning.

Kind
What scholars argue. A report of what specialists argue, or where they disagree.
Review
Source checked. The cited passage was read, and it says this.

  • Supports

    Three I know not what: The influence of Greek philosophy on the doctrine of Trinityp. 1 (abstract)

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: the Church fathers and the post-Nicene church used the Greek philosophical-theological expressions for Trinity, already present in Scriptures in its doxological and liturgical form, primarily for the purpose of contextualisation.

  • Supports

    Three I know not what: The influence of Greek philosophy on the doctrine of Trinityp. 6, quoting Schwöbel (2009)

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: Its technical expressions hypostasis, ousia, homousios, koinonia, idion, etc. appear as abbreviations of what could already be found in the Old and New Testaments in narrative and doxological forms.

Claim 37 · checked 23 September 2026 · AI-assisted audit

Claim: The evidence does not separate these cleanly, because both predict the same documents.

Kind
This page’s reading. A judgement the page makes from the evidence. Others read it differently.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.

Other readings

Santrac reports that most Catholic, Orthodox and Protestant scholars side with the second account, so the balance of opinion is less even than the passage may suggest.

Claim 38 · checked 23 September 2026 · AI-assisted audit

Claim: What they disagree about is what the documents were doing.

Kind
This page’s reading. A judgement the page makes from the evidence. Others read it differently.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.

Claim 39 · checked 23 September 2026 · AI-assisted audit

What the technical words meant

Claim: What the technical words meant

Kind
Framing. Signposting. It asserts nothing a source could check.

Claim: The key terms, substance, person, essence, were Greek and Latin words already in use, some of them philosophical, pressed into service, and they did not map onto each other neatly across the two languages.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

Corrected

23 September 2026. Previously: “were ordinary Greek and Latin words pressed into service” Several were technical philosophical terms rather than ordinary words: the Catechism calls them "notions of philosophical origin", and Jerome appeals to their meaning in "secular learning".

Claim 41 · checked 23 September 2026 · AI-assisted audit

Claim: Several of the fiercest disputes turn out on inspection to involve parties using one word for two things.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

What this does not establish

The sources read show this for hypostasis at Antioch (362 and Jerome’s letter) and for homoousios; "fiercest" is the page’s word.

Claim 42 · checked 23 September 2026 · AI-assisted audit

Claim: At Alexandria in 362 a synod took two groups, one saying three hypostases and one saying one, asked each what it meant by the word, and found that neither held what the other was accusing it of.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

The translation renders hypostasis as "Subsistence".

  • Supports · English (Ellershaw)

    Tomus ad Antiochenos, sections 5 and 6: the question of one hypostasis or threesections 5 and 6

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: For as to those whom some were blaming for speaking of three Subsistences ... They assured us in reply that they neither meant this nor had ever held it. ... we made enquiry of those blamed by them for speaking of One Subsistence ... But they in their turn assured us that they neither meant this nor had ever held it

  • Supports

    Introduction to Tomus ad Antiochenosp. 481

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: On Feb. 21 Athanasius re-appeared in Alexandria. ... to promise success to the council which met under Athanasius during the ensuing summer.

Claim 43 · checked 23 September 2026 · AI-assisted audit

Claim: Person is the worst offender.

Kind
This page’s reading. A judgement the page makes from the evidence. Others read it differently.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.

Claim 44 · checked 23 September 2026 · AI-assisted audit

Claim: It does not mean in the doctrine what it means in English now, and reading the modern sense back into it produces three gods, which is the thing the formula exists to rule out.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

What this does not establish

What the modern sense of "person" is, and how far it differs, is Rahner’s argument as Santrac reports it.

Corrected

23 September 2026. Previously: “It does not mean in the creed what it means in English now” The Nicene Creed does not contain the word "person". The three persons are the doctrine’s language (Catechism 252 to 253), not the creed’s.

Claim 45 · checked 23 September 2026 · AI-assisted audit

Inside the boundaries

Claim: Inside the boundaries

Kind
Framing. Signposting. It asserts nothing a source could check.

Claim: One word added to a creed without an ecumenical council, and two churches still apart.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

  • Supports

    FilioqueHistorical importance of the filioque

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: the Third Synod of Toledo, 589 ... the Creed , with the addition of the Filioque, was first sung in the Spanish Church after the conversion of the Goths . ... in 809 the Council of Aachen appears to have approved of it ... Had not Rome overstepped her rights by disobeying the injunction of the Third Council, of Ephesus (431), and of the Fourth, of Chalcedon (451)?

  • Supports

    Orthodox Christianity in the 21st CenturyOverview

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: Formal schism owing to theological and political disputes has divided Eastern Orthodoxy from Roman Catholicism since the year 1054

What this does not establish

The separation has more causes than the one word.

Corrected

23 September 2026. Previously: “Two words added to a creed without a council, and two churches still apart.” Filioque is one Latin word (three in English), and it was added by local councils, beginning in Spain, so "without a council" was wrong where "without an ecumenical council" is right.

Claim 34 · checked 23 September 2026 · AI-assisted audit

What it would be to understand it

Claim: What it would be to understand it

Kind
Framing. Signposting. It asserts nothing a source could check.

Claim: The Catholic catechism calls the Trinity "a mystery of faith in the strict sense".

Kind
A church’s teaching. What the named tradition teaches, from its own documents. Evidence of what is taught, not proof that it is true, and not what every Christian holds.
Review
Source checked. The cited passage was read, and it says this.
Held by
Catholic

What this does not establish

The Catholic Church’s own statement. No Orthodox or Protestant document on this point was read.

Other readings

Augustine and later Western theologians offered analogies meant to make the doctrine more intelligible.

Corrected

23 September 2026. Previously: “The doctrine is not an explanation and has never claimed to be one. It is a set of boundaries:” "Has never claimed" spoke for every tradition and every period, and whether Augustine’s analogies count as explanation is a theological judgement no source read could settle (flagged for a qualified reviewer). Replaced with what the Catholic Catechism itself says, attributed to it. "It" in the next sentence became "The doctrine itself" so the subject stays the doctrine.

Claim 47 · checked 23 September 2026 · AI-assisted audit

Claim: The doctrine itself is a set of boundaries: not three gods, not one god wearing three masks, not a hierarchy with two lesser members.

Kind
This page’s reading. A judgement the page makes from the evidence. Others read it differently.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.

Each boundary answers a position condemned by name: tritheism, Sabellianism, and the subordination of Son and Spirit.

  • Context

    Introduction to Tomus ad Antiochenosp. 482, note 3673

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: a forcible reminder of the inability of Theology to bring the Infinite within the categories of the Finite, to do more than guard our Faith by pointing out the paths which experience has shewn to lead to some false limitation of the fulness of the Revelation of God in Christ.

  • Context · English (Percival)

    The First Council of Constantinople: the creed of 381 and its canonsCanons 1 and 5

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: particularly that of the Eunomians or [ Anomæans, the Arians or ] Eudoxians, and that of the Semi- Arians or Pneumatomachi , and that of the Sabellians ... Sabellians, who teach the identity of Father and Son

  • Context

    Catechism of the Catholic Church, paragraphs 237 and 251 to 254: the Trinity as mystery and its termsCatechism 253 to 254

    Cited · Link answered, 19 October 2026 · The cited passage was read, 23 September 2026

    The source reads: We do not confess three Gods, but one God in three persons ... "Father", "Son", "Holy Spirit" are not simply names designating modalities of the divine being

Claim 48 · checked 23 September 2026 · AI-assisted audit

Claim: What is left inside those fences is not described.

Kind
This page’s reading. A judgement the page makes from the evidence. Others read it differently.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.

Claim 49 · checked 23 September 2026 · AI-assisted audit

Claim: This is not a modern retreat.

Kind
This page’s reading. A judgement the page makes from the evidence. Others read it differently.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.

Claim 50 · checked 23 September 2026 · AI-assisted audit

Claim: The fourth-century writers who assembled the formula were explicit that the logic of it stays beyond human grasp.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

What this does not establish

Two witnesses: Gregory of Nazianzus, and Basil as Dünzl presents him. Ayres’s chapter abstracts say the same of Augustine, who wrote after 381.

Claim 51 · checked 23 September 2026 · AI-assisted audit

Claim: It marks off where an account cannot go rather than supplying the account.

Kind
This page’s reading. A judgement the page makes from the evidence. Others read it differently.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.

  • Context

    Introduction to Tomus ad Antiochenosp. 482, note 3673

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: to do more than guard our Faith by pointing out the paths which experience has shewn to lead to some false limitation

Claim 52 · checked 23 September 2026 · AI-assisted audit

What the refusal cost

Claim: What the refusal cost

Kind
Framing. Signposting. It asserts nothing a source could check.

Why the church would not simplify

Claim: Why the church would not simplify

Kind
Framing. Signposting. It asserts nothing a source could check.

Claim: Simpler options were proposed and rejected: that Jesus was a creature, that the Father and the Son are one and the same, that the Spirit is something less than the other two.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

Corrected

23 September 2026. Previously: “Every simpler option was proposed and each was rejected:” "Every" claims an exhaustive list the sources do not give; the three named are those the councils condemned.

24 September 2026. Previously: “Simpler options were proposed and rejected: that Jesus was a creature, that the three are modes of one God appearing differently, that the Spirit is something less than the other two.” The canon cited describes the Sabellians as teaching "the identity of Father and Son"; "modes of one God appearing differently" described them in words the excerpts do not carry.

Claim 54 · checked 23 September 2026 · AI-assisted audit

Claim: Constantinople in 381 anathematised all three under their names, the Arians, the Sabellians and the Pneumatomachi, in its first canon.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

What this does not establish

These are the names the council used, and they are its opponents’ names for them: Dünzl, as Muis reports him, and Ayres both treat "Arian" and "Sabellian" as polemical labels. "The Arians" is in square brackets in Percival’s text, a reading of some versions only.

Claim 55 · checked 23 September 2026 · AI-assisted audit

Claim: Any of them would have been easier to state and to teach.

Kind
This page’s reading. A judgement the page makes from the evidence. Others read it differently.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.

Claim 56 · checked 23 September 2026 · AI-assisted audit

Claim: The tradition judged that each lost something it could not lose

Kind
This page’s reading. A judgement the page makes from the evidence. Others read it differently.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.

Other readings

Those condemned held that their positions protected the oneness of God or the plain sense of scripture; the page gives the tradition’s side of the judgement.

Claim 57 · checked 23 September 2026 · AI-assisted audit

Claim: and paid for the refusal in councils and exiles.

Kind
Historical claim. A statement about the past that historical evidence can test.
Review
Source checked. The cited passage was read, and it says this.

  • Supports

    St. Athanasiussections on the exiles

    Cited · Link answered, 19 October 2026 · Read in full, 23 September 2026

    The source reads: Athanasius was condemned to go into exile at Treves ... the saintly Hosius in exile ... this man, who had endured exile so often

Corrected

23 September 2026. Previously: “and paid for the refusal in councils, exiles and eventually a schism.” The schism the page means is the East-West one, over the filioque and papal authority, which was not a price of refusing to simplify the doctrine. Nothing read connects the two.

Claim 58 · checked 23 September 2026 · AI-assisted audit

Claim: Whether the thing being protected is real is a question about God.

Kind
Framing. Signposting. It asserts nothing a source could check.

Claim: That it was thought worth all that is a fact about the history.

Kind
This page’s reading. A judgement the page makes from the evidence. Others read it differently.
Review
A judgement, not a fact. Reviewed for whether it is fairly put and follows from the checked claims. No source can confirm it.

Claim 60 · checked 23 September 2026 · AI-assisted audit

What was read

  • The First Council of Nicaea: the creed and the twenty canonsNicene and Post-Nicene Fathers series II volume 14, New Advent · Tr. Henry Percival, NPNF second series vol. 14 (1900), New Advent: the Ecthesis and the twenty canonsRead in full, 23 September 2026 · Public domain translation
  • The First Council of Constantinople: the creed of 381 and its canonsNicene and Post-Nicene Fathers series II volume 14, New Advent · Tr. Henry Percival, NPNF second series vol. 14 (1900), New Advent: the creed, the synodal letter and the canonsRead in full, 23 September 2026 · Public domain translationPercival prints the words "Anomæans, the Arians or" in canon 1 in square brackets, marking them as found in some versions only.
  • The Council of Chalcedon: the definition of faith and the canonsNicene and Post-Nicene Fathers series II volume 14, New Advent · Tr. Henry Percival, NPNF second series vol. 14 (1900), New Advent: the acts around the Definition of Faith and the Definition itselfThe cited passage was read, 23 September 2026 · Public domain translation
  • Tomus ad Antiochenos, sections 5 and 6: the question of one hypostasis or threeAthanasius of Alexandria, Nicene and Post-Nicene Fathers series II volume 4, New Advent · Tr. H. Ellershaw, NPNF second series vol. 4 (1892), New AdventRead in full, 23 September 2026 · Public domain translationThe New Advent page carries no date; the date 362 comes from Robertson’s introduction (robertson-tomus-intro).
  • The Filioque: History of a Doctrinal ControversyA. Edward Siecienski, Oxford University PressCatalogue record only, 23 September 2026Crossref records only: the book record (no abstract) and the twelve chapter records, titled from "The Procession of the Holy Spirit in the New Testament" to "The Twentieth and Twenty-first Centuries" and an epilogue. None carries an abstract. The book itself was not read.
  • Deuteronomy 6, World English BibleeBible.org, public domain · World English Bible, eBible.org (eng-web)The cited passage was read, 23 September 2026 · Public domain
  • Isaiah 45, World English BibleeBible.org, public domain · World English Bible, eBible.org (eng-web)The cited passage was read, 23 September 2026 · Public domain
  • Philippians 2, World English BibleeBible.org, public domain · World English Bible, eBible.org (eng-web)The cited passage was read, 23 September 2026 · Public domain
  • 1 Corinthians 8, World English BibleeBible.org, public domain · World English Bible, eBible.org (eng-web)The cited passage was read, 23 September 2026 · Public domain
  • Matthew 28, World English BibleeBible.org, public domain · World English Bible, eBible.org (eng-web)The cited passage was read, 23 September 2026 · Public domain
  • Nicaea and its Legacy: An Approach to Fourth-Century Trinitarian TheologyLewis Ayres, Oxford University PressAbstract only, 23 September 2026 · Copyright; quoted brieflyCrossref: the book abstract and the abstracts of chapters 2 to 17. The book was not read.
  • Galatians 2, World English BibleeBible.org, public domain · World English Bible, eBible.org (eng-web)The cited passage was read, 23 September 2026 · Public domain
  • Is rewritten Bible/Scripture the solution to the Synoptic Problem?Gert J. Malan, HTS Teologiese Studies 70(1), open access · Publisher PDF, HTS 70(1), art. 2101, 10 pagesRead in full, 23 September 2026 · Open access; quoted brieflyRead from the PDF text layer.
  • A Rhetorical analysis of Philippians 1:27-2:18A. H. Snyman, Verbum et Ecclesia 26(3), open access · Publisher PDF, Verbum et Ecclesia 26(3) 783 to 809Read in full, 23 September 2026 · CC BY 4.0Read from the PDF text layer; the extraction splits some words with spaces.
  • Three I know not what: The influence of Greek philosophy on the doctrine of TrinityAleksandar S. Santrac, In die Skriflig 47(1), open access · Publisher PDF, In die Skriflig 47(1), art. 719, 7 pagesRead in full, 23 September 2026 · CC BYRead from the PDF text layer.
  • The doctrine of the Trinity in the early church (review of Franz Dünzl, A brief history of the doctrine of the Trinity in the early church)Jan Muis, HTS Teologiese Studies 66(1), open access · Publisher PDF, HTS 66(1), art. 986, 2 pagesRead in full, 23 September 2026 · CC BYA review of Dünzl’s book, which was not itself read. What it establishes is what Muis reports Dünzl to argue.
  • Catechism of the Catholic Church, paragraph 195: the Nicene CreedHoly See, vatican.va · English text, vatican.va IntraText, paragraphs 185 to 197The cited passage was read, 23 September 2026 · Copyright Libreria Editrice Vaticana; quoted briefly
  • Catechism of the Catholic Church, paragraphs 237 and 251 to 254: the Trinity as mystery and its termsHoly See, vatican.va · English text, vatican.va IntraText, paragraphs 232 to 267The cited passage was read, 23 September 2026 · Copyright Libreria Editrice Vaticana; quoted briefly
  • Orthodox Christianity in the 21st CenturyPew Research Center · Overview and sidebar “Eastern Orthodoxy vs. Oriental Orthodoxy”The cited passage was read, 23 September 2026 · Copyright Pew Research Center; quoted briefly
  • St. AthanasiusCornelius Clifford, The Catholic Encyclopedia vol. 2 (1907), New Advent · Catholic Encyclopedia vol. 2 (1907), New AdventRead in full, 23 September 2026 · Public domain textA Catholic reference work of 1907, used for the sequence of exiles and returns, not for judgements.
  • FilioqueAnthony Maas, The Catholic Encyclopedia vol. 6 (1909), New Advent · Catholic Encyclopedia vol. 6 (1909), New AdventRead in full, 23 September 2026 · Public domain textWritten from a Catholic position of 1909: it calls the Orthodox position an error and the separation a schism. Used for the sequence of events it reports, not for its judgements.
  • Introduction to Tomus ad AntiochenosArchibald Robertson (ed.), Nicene and Post-Nicene Fathers series II volume 4 (1892), CCEL · NPNF second series vol. 4 (1892), CCEL, pp. 481 to 482 with note 3673Read in full, 23 September 2026 · Public domain text
  • Letter 15, to Pope Damasus, sections 3 and 4: three hypostasesJerome, Nicene and Post-Nicene Fathers series II volume 6, New Advent · Tr. W. H. Fremantle, G. Lewis and W. G. Martley, NPNF second series vol. 6 (1893), New AdventRead in full, 23 September 2026 · Public domain translation
  • Oration 31 (the Fifth Theological Oration), section 8Gregory of Nazianzus, Nicene and Post-Nicene Fathers series II volume 7, New Advent · Tr. C. G. Browne and J. E. Swallow, NPNF second series vol. 7 (1894), New Advent; sections 7 to 10 readThe cited passage was read, 23 September 2026 · Public domain translation