The Catholic Church holds that there is one God, and that this one God exists eternally as Father, Son, and Holy Spirit: three Persons, one divine nature. This is not a theory the Church assembled but a disclosure she received. It rests on what Scripture says of the Son and the Spirit, on the fact that the Church baptized and prayed in Trinitarian form from the beginning, and on the written testimony of Christians who learned the faith from the apostles themselves, two centuries before Nicaea.

What the Doctrine Actually Claims

The objection that the doctrine asserts that one equals three misses the formula. God is one in essence and three in person; the “one” and the “three” are said of different categories. There is nothing contradictory in a thing being one in respect of A and three in respect of B. A triangle is one shape and three sides; a chord is one chord and three notes. Neither statement contradicts the other once you say what each is said of.

Nor does the absence of the word settle anything. Scripture never uses “omniscient,” “omnipresent,” or “monotheism” either, and no one concludes that those realities are unbiblical. Doctrines are taught by what Scripture reveals, not by which words it happens to contain. “Trinity” is shorthand for what the text already presents.

What Scripture Shows of the Son

Thomas addresses the risen Christ as “My Lord and my God” (John 20:28) and is not corrected. Christ says “I and the Father are one” (John 10:30), and “before Abraham was, I AM” (John 8:58), a claim to the divine name of Exodus 3:14 that His hearers understood perfectly, since they at once took up stones. He forgives sins on His own authority (Mark 2:5–10) and receives worship from disciples and angels (Matt. 28:9, 17; Heb. 1:6).

That last point answers the identification of the Son with the archangel Michael. Hebrews 1 exists precisely to deny it: “to what angel did God ever say, ‘You are my Son’?” and, of the firstborn, “let all God’s angels worship him” (Heb. 1:5–6). The inspired author sets the Son on one side of a line and every created angel, however exalted, on the other. As for rendering John 1:1 “the Word was a god,” the same translators render the identical construction as definite elsewhere in the same chapter; the case is examined on the companion page on the New World Translation. Each such citation is the mail carrier’s reading again: the address correct, the household unknown.¹

The three creation texts deserve answers one by one, because they are the Watchtower’s best. “Firstborn of all creation” (Col. 1:15): in Scripture firstborn is a title of rank, not a birth certificate — Israel is called God’s “firstborn” (Ex. 4:22) without ever being thought God’s earliest creation — and Paul’s very next words give the reason: “for in him all things were created” (Col. 1:16). He is firstborn over creation because He made it; the reading “first creature” is possible only in a translation that inserts “other.” “The beginning of the creation by God” (Rev. 3:14): the Greek archē means source or origin as readily as first item — the same book calls the Father “the beginning and the end” (Rev. 21:6) without making Him a creature — and John has already told us where the Word stands when creation begins: on the making side of it, for “without him was not any thing made that was made” (John 1:3). And Proverbs 8:22 is a poem in which Wisdom is a woman crying aloud in the streets; the Arians pressed it as a proof-text sixteen centuries ago, and the answer has not changed: poetry personifies, and the Hebrew qanah is the ordinary word for “possess,” not “create.”

Titles Jehovah Shares with No One — Except Jesus

There is a pattern the argument so far has only touched, and every word of it can be checked in the New World Translation itself: the exclusive titles of Jehovah keep reappearing on Jesus.

• “I am the first and I am the last. There is no God but me,” says Jehovah (Isa. 44:6) — and the risen Christ announces Himself as “the First and the Last,” “who became dead and came to life again” (Rev. 2:8). Jehovah cannot become dead.
• Jehovah is “The King of Israel” (Isa. 44:6); Nathanael tells Jesus, “you are the Son of God, you are King of Israel” (John 1:49).
• “Jehovah is my Shepherd” (Ps. 23:1); “I am the fine shepherd” (John 10:11).
• Jehovah is “the God of gods and the Lord of lords” (Deut. 10:17); the Lamb conquers “because he is Lord of lords and King of kings” (Rev. 17:14).
• “Everyone who calls on the name of Jehovah will be saved” (Joel 2:32) — a sentence the New World Translation prints again at Romans 10:13, in a paragraph whose subject from verse 9 onward is the Lord Jesus.

One shared title might be a courtesy. Five are a pattern, and the pattern has a name: the titles Scripture reserves to God alone belong to the Son. There is no need to argue about whose translation to trust, because every quotation above is the Watchtower’s own.²

What Scripture Shows of the Spirit

The Spirit is said to be God’s impersonal “active force,” comparable to electricity. That cannot survive the verbs Scripture uses. Throughout the New Testament the Spirit does what only a person can do. He teaches (John 14:26), bears witness (John 15:26), convicts (John 16:8), guides (John 16:13), intercedes “with groanings too deep for words” (Rom. 8:26), speaks (Acts 13:2), forbids (Acts 16:6–7), appoints (Acts 20:28), distributes gifts as He determines (1 Cor. 12:11), and can be grieved (Eph. 4:30) and lied to (Acts 5:3). None of these is the action of a force.

The last is decisive. Peter tells Ananias he has lied to the Holy Spirit, then says in the next breath, “You have not lied to men but to God” (Acts 5:3–4). One sentence affirms both the Spirit’s personhood and His divinity. That the Spirit is “poured out” proves nothing against this: Christ is described as poured out in death (Phil. 2:7) and as dwelling within believers (Col. 1:27), and no one doubts He is a Person. The metaphor describes a mode of presence, not an absence of personhood.

The Subordination Texts

The passages showing Christ as lesser than the Father have real force and deserve a real answer. The answer, settled at Chalcedon in 451, is that He is one Person with two complete natures, fully divine and fully human, neither confused nor separated, not partly God and partly man, but wholly both.³

Paul makes the dynamic explicit. Christ “was in the form of God,” yet “emptied himself, taking the form of a servant” (Phil. 2:6–8). The Greek kenōo means simply to empty, and the emptying is defined by the words that follow it: He empties Himself by taking the form of a servant, not by laying divinity aside. Read this way the objections dissolve. He prays because He is genuinely human and human beings pray. He does not know the day or the hour (Mark 13:32) because He has freely accepted a human consciousness that does not know everything. He says the Father is greater than He (John 14:28) as the Son made man, which is exactly what the incarnation means. None of this diminishes His divinity; it expresses it in the form of obedience. The Gospels do not offer two contradictory portraits needing reconciliation. They offer one Person acting and speaking through both natures.

The Witness Before Nicaea

The claim that the doctrine was invented in the fourth century is not a matter of interpretation. It is a historical claim, and the record refutes it. Trace the line:

Clement of Rome (c. 96) asks the Corinthians, “Have we not one God, and one Christ, and one Spirit of grace poured out upon us?”

Ignatius of Antioch (c. 107), a disciple of the apostle John, writes of “Jesus Christ our God” without a hint of strain, and of the Son “who is from eternity with the Father.”

Polycarp of Smyrna (c. 155), also a disciple of John, dies at the stake offering a Trinitarian doxology: glory to the Father, “through the eternal and heavenly High Priest, Jesus Christ … with him and the Holy Spirit.”

Theophilus of Antioch (c. 180) is the first known writer to use the word Trias, Triad, of God.

Irenaeus of Lyons (c. 180), a disciple of Polycarp, describes baptism into Father, Son, and Holy Spirit and calls the Son and the Spirit “the two hands of the Father.”

Tertullian of Carthage (c. 200) coins the Latin Trinitas and states the formula “one substance, three persons,” a full century before Nicaea.

These men wrote in two languages from five cities across the Mediterranean, and they were not in committee. What they share is that they were taught by the apostles or by the apostles’ own students, and what they hand on is the same. The Son is called “our God” in writing within a decade of the last apostle’s death.⁴

Older still is the shape of worship itself. The Didache, from the late first or very early second century, prescribes baptism “into the name of the Father and of the Son and of the Holy Spirit,” word for word the formula of Matthew 28:19. The earliest surviving Eucharistic prayer is structurally Trinitarian, and so is the second-century hymn Phos Hilaron, still sung in the East. Lex orandi, lex credendi: the law of prayer is the law of belief. The Church prayed this way before she wrote it down, because worship preceded writing.⁵

Arianism Was the Novelty

Three things must be kept apart. The inherited worship of Father, Son, and Spirit was apostolic. The later technical vocabulary of substance and person was a clarification of it, sharpened as controversy forced precision. Arius’s claim, from about 318, that the Son is a creature and that “there was a time when the Son was not,” was neither: it broke from both.

Nicaea did not invent the Trinity; it recognized a departure from what the bishops had received. Of roughly three hundred bishops present, only two declined to subscribe to the Creed confessing the Son “true God from true God, begotten not made, of one substance with the Father.” That ratio is itself the evidence. They were not choosing among contested options; they were preserving, almost unanimously, what their teachers had handed them. Constantinople did the same for the Spirit in 381.⁶

So the restorationist account — answered at length at Was There a Great Apostasy? — has the record backwards. The pre-Nicene Christianity of the documents is recognizably Trinitarian. The unitarian alternative is the genuine novelty: it had to wait until the fourth century to appear in any serious form, and then another fourteen centuries to find anyone willing to revive it.

Monotheism, and the Charge of Pagan Borrowing

The Shema (Deut. 6:4) and Isaiah’s declarations (Isa. 44:6; 45:5) exclude other gods; they do not exclude interior relationship within the one God. The point is not a Christian evasion: the apostolic generation that recognized Christ as divine was itself Jewish, formed in synagogue worship. Peter, John, Paul, and Thomas did not believe they had abandoned the Shema. They believed they had understood at last what its one God had been preparing them to see.

The charge of borrowing from pagan triads is a category error. A pagan triad is three separate gods, often a divine family; the Trinity is one God in three Persons. The structures are opposites. The doctrine grew out of strict Jewish monotheism, and its earliest defenders were acutely sensitive to the danger of polytheism, and were defending against exactly the misreading the charge attributes to them.

The Reply in Brief

The doctrine is not a contradiction, because “one” and “three” are said of different things. It is not absent from Scripture merely because the word is, any more than omnipresence is. The Son is addressed as God, forgives sins, receives worship, and is set explicitly above every angel. The Spirit teaches, forbids, appoints, is grieved, and is lied to, and lying to Him is lying to God. The subordination texts are what the incarnation requires, not evidence against it.

And the historical claim collapses under its own evidence. The faith Nicaea defended was already two centuries old in writing, confessed in Antioch and Rome and Smyrna and Lyons and Carthage by men who had learned it from the apostles or from their students. Arius was the innovator. That no one exhaustively comprehends the doctrine is no objection at all: anything a finite mind could exhaust would not, by definition, be God.

This is the short answer. The full treatment adds what the Old Testament already discloses (the plural of Genesis 1:26, the visitor at Mamre, the three speakers of Isaiah 48:16), why a solitary God could not be love, the doctrine of the eternal relations of origin, how the one God acts from the Father through the Son by the Spirit, the useful and misleading analogies, the Orthodox Jewish objection answered at length, and full documentation for everything asserted here. It is available as a Word document at the end of this page.

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Endnotes

1. On Hebrews 1:5–6 as an explicit contrast between the Son and every created angel, see the whole argument of Hebrews 1–2, which turns on the Son’s superiority to the angelic order. The identification of the Son with the archangel Michael is set out in Insight on the Scriptures (1988), vol. 2, under “Michael.” On the rendering of John 1:1, see the companion page The New World Translation. ↩
2. Every rendering in this section is the New World Translation’s own, checked word for word against the text the Society posts on the Watchtower Online Library (wol.jw.org): Isaiah 44:6; Revelation 2:8; John 1:49; Psalm 23:1; John 10:11; Deuteronomy 10:17; Revelation 17:14; Joel 2:32; Romans 10:13 with 10:9. A tabular study of these and further parallels is held in the site’s reference library. ↩
3. The Definition of Chalcedon (451): one Person in two natures, “without confusion, without change, without division, without separation.” On the self-emptying, Philippians 2:6–8 and the sense of kenōo as voluntary self-limitation rather than the surrender of divinity. ↩
4. Clement of Rome, Letter to the Corinthians 46 (c. 96); Ignatius of Antioch, Ephesians inscr., 18:2, and Ephesians 9:1 for the Cross-and-Spirit image (c. 107); Martyrdom of Polycarp 14 (c. 155); Theophilus of Antioch, To Autolycus 2.15 (c. 180), the first known use of Trias; Irenaeus, Against Heresies 1.10.1, 4.20.1 (the “two hands”), and 3.3.4 on his link to Polycarp and thence to John; Tertullian, Against Praxeas 2 (c. 200) for Trinitas and “one substance, three persons.” Texts in William A. Jurgens, The Faith of the Early Fathers, vol. 1. ↩
5. Didache 7, prescribing the Matthew 28:19 formula; the Eucharistic prayer of the Apostolic Tradition attributed to Hippolytus (early third century); the hymn Phos Hilaron, late second or early third century. On lex orandi, lex credendi as a principle of doctrinal evidence, see Prosper of Aquitaine, from whom the maxim derives. ↩
6. Arius began teaching c. 318; the slogan “there was a time when the Son was not” is preserved by his opponents. On the Council of Nicaea (325), its Creed, and the near-unanimity of subscription, see the standard accounts in J. N. D. Kelly, Early Christian Doctrines, and Henry Chadwick, The Early Church. The First Council of Constantinople (381) expanded the Creed to confess the Spirit as “the Lord and giver of life, who proceeds from the Father, who with the Father and the Son is adored and glorified.” ↩