So the Father is God, the Son is God, the Holy Spirit is God

The Text

Every rung of the litany so far has been a ladder to this one. Uncreated, immeasurable, eternal, almighty — each was a predicate the church had to wrest from the Arians, but none of them is the gospel by itself. This is: Deus Pater, Deus Filius, Deus et Spiritus Sanctus. The Father is God. The Son is God. The Holy Spirit is God. And — the rule once more, at the rung that matters most — not three Gods, but one God.

This is the Nicene homoousios with the philosophy boiled off. The Nicene Creed argued it: of one Being with the Father, with its technical Greek term and its conciliar history. The Athanasian Creed does not argue it here; it simply says it, three times, in the barest Latin a creed can use — the noun Deus, with no adjective to cushion it — and then forbids the plural. And it is the verse that brings the catholic faith into deliberate, head-on contact with the Shema, the bedrock confession of Israel: Hear, O Israel: the LORD our God, the LORD is one. The Athanasian Creed does not flinch from that collision; it was built for it. Its whole claim is that the one God of the Shema is the Father, the Son, and the Holy Spirit — not three Gods crowding out the one, and not the one God wearing three names, but the single, undivided God of Israel known, at last, by the name into which the church is baptized.

Translation Notes

Deus Pater, Deus Filius, Deus … Spiritus Sanctus — the bare predicate. The Latin is as spare as language allows: a predicate noun and an elided verb, three times. The creed could have written divinus (“divine”) and did not; it could have written that the Son “shares in” or “is of” the Godhead and did not. It writes Deus — the noun, not a participation in it. Whatever it means for the Father to be God, it means, without remainder or reduction, for the Son and for the Spirit.

the supplied est. Throughout the litany (verses 8–14) the creed has dropped the verb: increatus Pater, aeternus Filius, omnipotens Spiritus Sanctus. At verse 16 it stops eliding: sed unus est Deus — “but one is God.” The single restored verb is a small solemnity, like a celebrant slowing at the central clause. The creed will not let the most important predication be merely chanted past.

what the verse is not saying. Deus Pater, Deus Filius is predication, not identification. It does not say “the Father is the Son” (that would be modalism, and the verb would assert identity of person). It says each person is God — the common essence predicated of each — and then, in verse 16, that the God so predicated is one. The grammar is exactly verse 11’s; only the predicate has changed, from eternal to the word that carries everything.

the New Testament behind Deus Filius. The creed states as settled dogma what the New Testament states as worship and confession. Theos ēn ho logos — “the Word was God” (John 1:1); Thomas to the risen Christ, ho kyrios mou kai ho theos mou — “my Lord and my God” (John 20:28); “God over all, blessed for ever” (Romans 9:5); “our great God and Saviour Jesus Christ” (Titus 2:13); “of the Son he says, Your throne, O God” (Hebrews 1:8). The grammar of some of these texts has been debated for centuries (the anarthrous theos in John 1:1; the punctuation of Romans 9:5), and an honest annotation says so rather than overclaiming any single verse. But the cumulative weight is not seriously in doubt, and it is devotional before it is grammatical: the earliest church prayed to and worshipped Jesus, and the creed’s Deus Filius is the church putting into a noun what her knees had already confessed.

Deus Spiritus Sanctus. Explicit New Testament predication of God to the Spirit is rarer and more oblique — Peter’s “you have not lied to men but to God” of the lie to the Holy Spirit (Acts 5:3–4); the Spirit who “searches the depths of God” as a man’s spirit knows the man (1 Corinthians 2:10–11); “the Lord is the Spirit” (2 Corinthians 3:17–18). The creed’s flat Deus Spiritus Sanctus states what the Council of Constantinople (381) confessed and what the church’s prayer had long assumed: the Spirit is not God’s influence but God.

Historical Context

Nicaea, compressed. Behind Deus Filius stands the entire fourth century — Arius’s “there was when he was not,” the Council of Nicaea (325), homoousios, Athanasius’s five exiles, the long Arian ascendancy, the Council of Constantinople (381). The annotation on the Nicene Creed’s of one Being with the Father tells that story in full; the Athanasian Creed assumes it and states only the result. Where Nicaea forged the word, the Quicumque simply wields it.

The Spirit’s deity. Deus Spiritus Sanctus has its own history. The Pneumatomachi (“Spirit-fighters,” sometimes “Macedonians”) granted the Son’s deity while denying the Spirit’s, making the Spirit the first and highest creature. Basil of Caesarea’s On the Holy Spirit (375) answered them not chiefly by proof-text but by the church’s doxology: the Spirit is glorified with the Father and the Son in the church’s worship; what is worshipped as God is God. Constantinople (381) confessed the Spirit “the Lord, the giver of life … who with the Father and the Son together is worshipped and glorified.” The Athanasian Creed states the conclusion as one word in a list.

Christological monotheism. Modern scholarship has sharpened how early Deus Filius really is. The “divine identity” school (Richard Bauckham, Larry Hurtado, Martin Hengel) has shown that within a strikingly short time of the resurrection — and within a fiercely monotheistic Jewish matrix — the first believers included Jesus in the unique identity of the one God of Israel: he is worshipped, prayed to, given the divine Name, set on the divine throne, and confessed as the one through whom all things were made. The creed’s Deus Filius is not the late triumph of Greek metaphysics over a simple Galilean teacher; it is the conceptual notation for a devotion the church practiced before it had the vocabulary to define it.

Lines of Interpretation

The catholic consensus is total: each person is God; there is one God. The live questions are two — the exegetical ground of predicating God of the Son and the Spirit, and the monotheism question: does calling three “God” break the Shema?

Patristic

Tradition: Athanasius, Discourses Against the Arians; Basil, On the Holy Spirit; Gregory of Nazianzus, Theological Oration 31; Augustine, On the Trinity I

The Fathers’ decisive argument is the worship argument: the Son and the Spirit are worshipped in the church’s prayer; worship belongs to God alone; to worship a creature is idolatry; therefore the Son and the Spirit are God, not creatures, or the church has been an idolater from the beginning. Deity is read off doxology.

Strengths

• Grounds Deus Filius in the church’s actual practice, not in speculation — the lex orandi establishes the lex credendi
• The argument is a true dilemma for the opponent: either the Son is God or the church’s worship is idolatry

Weaknesses

• The argument persuades only those who already grant that the church’s worship of Jesus is legitimate and primitive
• Worded polemically, it can sound like asserting the conclusion from the practice rather than establishing it

Scholastic

Tradition: Thomas Aquinas, Summa Theologiae I q. 39 aa. 4–5 (how God is predicated of each person and yet “one God”)

Aquinas gives the verse its technical resolution. Deus is a concrete term signifying the divine nature as subsisting; it can therefore be predicated truly of each person (each person is the subsisting divine nature) and yet “God” remains singular, because the nature so signified is numerically one. “Three persons” counts the subsisting relations; “one God” names the one nature each wholly is.

Strengths

• Explains precisely how “the Son is God” and “there is one God” are both true without contradiction
• Closes the door on both modalism (one person, three names) and tritheism (three instances of deity)

Weaknesses

• The concrete/abstract and suppositum/nature machinery is remote from the worshipper the verse addresses
• Risks making the living God of the gospel sound like the conclusion of a metaphysical proof

Reformed

Tradition: Calvin, Institutes I.13 (the New Testament proofs; autotheos); B. B. Warfield, “The Biblical Doctrine of the Trinity”

The Reformed are the tradition most insistent on the exegetical footing of Deus Filius. Calvin marshals the New Testament texts and presses autotheos: the Son is God of himself with respect to his essence — not a derived or second-tier deity, but the one God underivably. Warfield’s classic essay treats the New Testament as already, structurally, trinitarian.

Strengths

• Anchors the dogma in Scripture, answering the perennial “the word isn’t in the Bible” objection at its strongest point — the thing is everywhere in the Bible
• Autotheos slams the last door on subordinationism: the Son is God in the fullest, underived sense

Weaknesses

• Autotheos, pressed too hard, can strain the relations of origin the creeds also confess (the Son is eternally of the Father)
• A heavily forensic-exegetical presentation can underplay the doxological ground the Fathers found decisive

Eastern Orthodox

Tradition: Basil and the Cappadocians; the liturgical priority of confession over definition

The East holds Deus Filius and Deus Spiritus Sanctus and characteristically insists that the deity of the Son and the Spirit is known in worship and communion before it is defined in concept — Basil’s argument from the doxology is paradigmatic. God is confessed as Trinity because God is encountered as Father, Son, and Spirit in the liturgy and in salvation (theosis), not deduced.

Strengths

• Keeps the verse where it was born — in worship — and resists reducing Deus Filius to a contested grammar of proof-texts
• The encounter/communion frame answers the monotheism worry experientially: the one God met as three is still one

Weaknesses

• “Known in worship before defined” can seem to dodge the exegetical and conceptual challenge the modern questioner actually presses
• Underdeveloped conceptual articulation leaves the position harder to defend in argument, however secure it is in prayer

Modern / Ecumenical

Tradition: the divine-identity school (Bauckham, God Crucified; Hurtado, Lord Jesus Christ; Hengel) versus evolutionary low-Christology readings (Dunn) and the “biblical unitarian” revival

The modern debate is largely about origins: did Deus Filius develop slowly from a human-Jesus tradition under Hellenistic pressure (Dunn’s Christology in the Making, and various “biblical unitarian” projects), or was the inclusion of Jesus in the unique divine identity primitive and Jewish (Bauckham, Hurtado, Hengel)? The weight of recent scholarship has moved decisively toward the second: the highest Christology is the earliest.

Strengths

• The low-Christology side rightly presses the real exegetical and historical complexity, refusing a flat or anachronistic reading of the texts
• The divine-identity school has given Deus Filius its strongest modern footing: the worship of Jesus is early, Jewish, and explanatory of everything the creeds later say

Weaknesses

• The evolutionary account underrates the primitive devotional data (worship, prayer, the divine Name, the maranatha) that it cannot easily explain on a low-Christology premise
• “Biblical unitarian” readings, to deny Deus Filius, must treat the church’s earliest worship of Jesus as an error at the root — the very dilemma the patristic worship argument posed, returning unanswered

Wesleyan Voice

On this verse the deleted creed and Methodist doctrine are not merely compatible; they are the same sentence. Wesley cut the Athanasian Creed from the 1784 Sunday Service, but he wrote Deus Filius and Deus Spiritus Sanctus into the Articles he sent the Americans: Article I confesses the one God in three persons; Article II names the Son “the very and eternal God”; Article IV names the Holy Spirit “very and eternal God.” Whatever Wesley refused in the Quicumque, it was never verse 16. Here he kept every word of its substance.

Wesley defended Deus Filius under fire. The eighteenth century had its own Arian and Socinian resurgence (Clarke, Priestley, the rational Dissenters), and Sermon 55, On the Trinity, is in part an answer to it: Wesley will not bind the manner, but he will not yield the fact — that the Son and the Spirit are God — by a hair, because he saw exactly what is forfeited with it. His Explanatory Notes upon the New Testament press the texts: on John 1:1 the Word is “God” without qualification; on John 20:28 Thomas’s “my Lord and my God” is addressed to Christ and accepted by him; on Acts 5:4 lying to the Spirit is lying to God; on 1 John 5:20 Jesus is “the true God and eternal life.”

The Wesleyan clincher is experiential and it lands on Deus Spiritus Sanctus. Wesley’s doctrine of assurance — the Spirit himself bearing witness with our spirit that we are God’s children (Romans 8:16; Sermons 10–11, The Witness of the Spirit) — stands or falls here. If the Spirit is not God, then the inward assurance of salvation is a created feeling, a religious mood, perhaps a self-deception. If the Spirit is God — Deus Spiritus Sanctus — then the assurance is God’s own testimony, and it can be trusted because it is not ours. The most distinctively Wesleyan doctrine in the ordo salutis depends on the most contested clause of this verse.

Charles Wesley confessed Deus Filius on nearly every Christmas and Easter page. “Hark! the herald angels sing … veiled in flesh the Godhead see, / hail the incarnate Deity.” “Let earth and heaven combine … our God contracted to a span, / incomprehensibly made man.” “Glory be to God on high … God comes down, he bows the sky, / and shows himself our friend.” Where John guarded the doctrine in prose and refused to bind its manner, Charles simply sang Deus Filius until a Methodist child knew, before any catechism, that the baby in the manger was God.

Hymnody

If any verse of the litany owns the hymnal, it is this one, because the church’s entire festal song is, at bottom, Deus Filius set to music.

The Christmas canon is one long confession of it. “O come, all ye faithful”: “very God, begotten, not created … Word of the Father, now in flesh appearing.” “Hark! the herald angels sing”: “hail the incarnate Deity.” “Let all mortal flesh keep silence”: “Christ our God to earth descendeth.” “Of the Father’s love begotten”: the Son who is “Alpha and Omega … the source, the ending he.” These are not poetic excess; they are verse 15 in metre — the church refusing, in song, to let the Son be anything less than God.

The Spirit’s deity is sung where the church asks the Spirit to do what only God can do: “Come, Holy Ghost, our souls inspire” (the Veni Creator, sung at ordinations and Pentecost), “Breathe on me, Breath of God,” “Spirit of God, descend upon my heart.” One does not pray a creature to recreate the heart; the hymn that does is confessing Deus Spiritus Sanctus.

And over all of it, “Holy, Holy, Holy! Lord God Almighty! … God in three Persons, blessèd Trinity” — verse 15 and verse 16 in a single stanza: each person God, the Godhead one. The hymnody never argues the verse. It does something the church found more durable: it worships the Son and the Spirit as God, week after week, until the doctrine is in the congregation’s bones before it is in their notebooks.

Pastoral and Liturgical Use

This is the verse where the doctrine stops being a diagram and becomes the difference between the gospel and a lesser thing.

Defuse the polytheism charge by teaching, not retreating. Every Methodist pastor will meet the accusation — from a Muslim neighbor, a Jehovah’s Witness at the door, a skeptical teenager, sometimes a grieving congregant who has never dared ask — that Christians worship three Gods. The Athanasian Creed’s verse 16 is the exact answer, and it is not a retreat into vagueness. Christianity is not polytheism with the volume turned down. It is the claim that the one God of the Shema — the God of Abraham, Isaac, and Jacob, the LORD who is one — has made his one self known as Father, Son, and Spirit. Not three Gods (the creed forbids the plural). Not one God in three costumes (the creed forbids confounding the persons). The same God, the only God there is or could be, by his fuller and proper name. The pastoral skill is to say this with the creed’s own confidence: we did not add two gods to Israel’s one; we learned the one God’s name from his Son.

Name the respectable idol. The live danger in a mainline congregation is almost never crude tritheism. It is a quiet, well-mannered Arianism: a Jesus who is the best of men, the great moral teacher, the human face of an otherwise distant and generic divinity — a life coach with a cross. That Christ is easier to preach, easier to commend at a dinner party, and he is precisely the Christ this verse forbids. Deus Filius will not let the church keep him. The one who forgave from the cross and walked out of the tomb is not God’s finest creature or God’s eloquent spokesman; he is God — and that is not a harder gospel to believe, it is the only gospel there is to believe, because a creature, however magnificent, cannot reconcile the world to God. The pastoral task is to name the cardigan-wearing Arian Christ of respectable modern religion for the reduction he is, and to give the congregation back the One the creed insists on: not God’s envoy, but God, come to get us himself.

Let the Table and the doxology carry it. The congregation already confesses this verse with its body. At communion it receives the broken bread with Thomas’s words near at hand — “my Lord and my God” — addressed to the One in their hands. At every Gloria it ascribes to the Son and the Spirit the same glory it ascribes to the Father, with no comparative anywhere. The pastor does not need to win an argument to teach verse 15; the pastor needs to point at what the people are doing and tell them what it means: you just worshipped the Son as God, and you were right to, and that — not three deities, and not one God in masks, but the one God, Father, Son, and Spirit — is the catholic faith. You have been confessing the most contested verse of a creed you never say, every Sunday, on your knees.

Further Reading

• Deuteronomy 6:4 — the LORD our God, the LORD is one (the Shema, which this verse confronts and confesses)
• Isaiah 43:10–11; 44:6; 45:5–6, 21–22 — the radical monotheism the doctrine must satisfy, not break
• John 1:1, 18 — the Word was God … the only God, who is at the Father’s side
• John 8:58; 20:28 — before Abraham was, I am; my Lord and my God
• Romans 9:5; Titus 2:13; Hebrews 1:8; 2 Peter 1:1; 1 John 5:20 — God predicated of Christ
• Acts 5:3–4; 1 Corinthians 2:10–11; 2 Corinthians 3:17–18 — the deity of the Spirit
• Matthew 28:19 — the one Name, three persons
• Athanasius, Discourses Against the Arians
• Basil of Caesarea, On the Holy Spirit; Gregory of Nazianzus, Theological Oration 31
• Augustine, On the Trinity, Book I
• Thomas Aquinas, Summa Theologiae I q. 39, aa. 4–5
• John Calvin, Institutes I.13
• The Articles of Religion of the Methodist Church (1784), Articles I, II, IV
• John Wesley, Explanatory Notes upon the New Testament on John 1, John 20, Acts 5, 1 John 5; Standard Sermons, Sermons 10–11, 55
• Charles Wesley, “Hark! the herald angels sing”; “Let earth and heaven combine”; “Glory be to God on high”
• Richard Bauckham, God Crucified / Jesus and the God of Israel (Eerdmans, 2008)
• Larry Hurtado, Lord Jesus Christ (Eerdmans, 2003)
• Martin Hengel, The Son of God (Fortress, 1976)
• James D. G. Dunn, Christology in the Making (SCM, 1980) — the contrary case, to be read critically alongside Bauckham and Hurtado