Every major denial of the deity of Christ in Christian history falls into one of a small number of patterns, and the patterns repeat. A movement either subordinates the Son to the status of a creature, collapses the distinction between Father and Son into a single person wearing masks, or divides Christ into two persons rather than one person with two natures.

None of these are new. Arius was answered in the fourth century; the modern Jehovah's Witness position is his argument with a different translation attached. Understanding where each error goes wrong is not an academic exercise — it clarifies what the orthodox confession actually claims, and it equips believers to answer the version of the argument they are most likely to encounter at their own front door.

Arianism and Modern Jehovah's Witnesses

Arianism (named after Arius of Alexandria, ca. AD 250–336) was the first major Christological heresy, teaching that the Son of God was the first and greatest created being — the highest creature — but not co-eternal or co-equal with the Father. Arius's famous slogan was: "There was a time when He was not" (ēn pote hote ouk ēn). At the Council of Nicaea (AD 325), the assembled bishops condemned Arianism and affirmed the Nicene Creed, which declares the Son to be "of the same substance as the Father" (homoousios tō Patri).

Jehovah's Witnesses (founded by Charles Taze Russell, 1872) are modern Arians. Their primary errors:

1. Mistranslation of John 1:1: Their New World Translation renders it "the Word was a god" — inserting the indefinite article not present in Greek and not supported by any credible Greek scholarship. (See John 1:1–5 section)

2. Misreading of Colossians 1:15: They understand "firstborn of all creation" (prōtotokos pasēs ktiseōs) as meaning Christ was the first created being. This misunderstands the OT usage of firstborn as a rank title, not a birth order, and ignores verses 16–17 which make the Son the creator of all things.

3. Misreading of Proverbs 8:22: They identify "Wisdom" as Jesus and understand "The LORD possessed me at the beginning of His work" as teaching that Christ was created. But (a) Proverbs 8 personifies Wisdom as a literary device, and (b) the verb translated "possessed" (‎קָנָה, qānāh; BDB 888) can mean "possessed, acquired, begot" — it does not require the sense of creation.

4. Misreading of Revelation 3:14: "the beginning (ἀρχή) of the creation of God" — they read this as "the first-created being." But ἀρχή (archē; BDAG 137) means "origin, source, ruler, first cause" — not necessarily "first member." Jesus is the source and sovereign of creation, not a member of it. Compare Colossians 1:18: "He is the beginning (archē), the firstborn from the dead."

The Biblical Response is comprehensive: Every passage they cite for subordination (e.g., John 14:28: "the Father is greater than I") describes the functional, voluntary subordination of the incarnate Son in His mediatorial role — not an ontological inferiority of nature. The Father is greater than the incarnate, sent Son in terms of role and office; the Son is equal to the Father in divine nature and essence. Philippians 2:6–8 makes exactly this distinction: the Son who was in the form of God (= ontological equality) voluntarily humbled Himself (= functional subordination in the incarnation).

The historical record of Jehovah's Witnesses' founding is relevant: Charles Taze Russell denied the doctrine of the Trinity based on his private study, without formal theological training, in the 1870s — effectively reinventing Arianism that the Christian church had refuted 1,500 years earlier. Their translation and doctrinal committee (the New World Bible Translation Committee) has never publicly revealed the names of its members, and their scholarly qualifications have been seriously questioned. For a thorough biblical response, see: A Biblical Response to Jehovah's Witnesses.

Islam: The Islamic View of Isa (Jesus)

Islam teaches that Jesus (ʿĪsā ibn Maryam, "Jesus son of Mary") was a great prophet and messenger (nabī and rasūl) of Allah — indeed, one of the five greatest prophets (ulū al-ʿazm), born of a virgin, who performed miracles, and will return at the end of time — but that He was not divine and not the Son of God. The Quran explicitly states: "Say: He is Allah, the One and Only; Allah, the Eternal, Absolute; He begets not, nor is He begotten; And there is none like unto Him" (Surah Al-Ikhlas 112). The Quran further denies the crucifixion: "they did not kill him, nor did they crucify him, but [another] was made to resemble him to them" (Surah An-Nisa 4:157).

The Biblical Response:

1. The crucifixion is the most historically attested fact of ancient history — documented by secular historians including Tacitus (Annals XV.44), Josephus (Antiquities XVIII.3.3), Pliny the Younger (Epistulae X.96), Lucian of Samosata (The Death of Peregrine, ca. 165 AD), and others. The Islamic denial requires ignoring all non-Muslim historical testimony and all four Gospels, Paul's epistles (written within 20–25 years of the crucifixion), and the testimony of hundreds of eyewitnesses.

2. Jesus' own claims — as documented throughout this study — are incompatible with the role of merely a prophet. No OT prophet ever said "I and the Father are one" (John 10:30), "before Abraham was born, I AM" (John 8:58), or accepted worship as God (John 20:28). A prophet who made such claims and was lying would not be ʿĪsā al-Masīḥ (Jesus the Messiah) — he would be a deceiver disqualified from prophethood.

3. The Islamic Jesus (Isa) is a different figure from the Jesus of Scripture and history. The Islamic tradition preserves genuine historical data about Jesus (virgin birth, miracles, ascension) while rejecting the very essence of who He claimed to be. For a thorough response, see: A Biblical Response to Islam and Yahweh and Allah — the Essential Differences. See also: The Jesus Islam Cannot Accept

Modalism, Oneness Pentecostalism, and Sabellianism

Modalism (also called Sabellianism, after Sabellius, 3rd century AD) teaches that the Father, Son, and Holy Spirit are not three distinct persons but three successive modes or manifestations of one person — God appears as the Father in creation, as the Son in redemption, and as the Spirit in sanctification. Modern expressions include Oneness Pentecostalism (the "Jesus Only" movement), which baptizes only in the name of Jesus (not the Trinitarian formula of Matthew 28:19) and teaches that the Father, Son, and Spirit are all one person — Jesus.

The Biblical Response:

1. The Gospel of John alone refutes Modalism at multiple points:

   • John 1:1: The Word was with God (pros ton theon — face to face relationship between distinct persons) — and the Word was God (same divine nature).
   • John 1:18: "the only begotten God who is in the bosom of the Father" — the Son and the Father are in intimate relational distinction.
   • John 17:5: Jesus prays to the Father — a mode cannot pray to itself as a separate mode.
   • The baptism of Jesus (Matthew 3:16–17): the Son is baptized in the water, the Spirit descends on Him, and the Father speaks from heaven — three persons simultaneously present, in three different locations, in one event.

2. Matthew 28:19: "baptizing them in the name (singular) of the Father and the Son and the Holy Spirit" — three distinct persons share one divine name. If they were one person, the text would simply say "in the name of Jesus" or "in My name." The conjunction and (καί) between each person's distinct title indicates personal distinction.

Unitarianism and Socinianism

Socinianism (named after Fausto Sozzini, 1539–1604) and Unitarianism deny the pre-existence, divine nature, and atoning sacrifice of Christ. They teach that Jesus was a uniquely gifted, morally perfect human being whose example and teaching show the way to God, but who is not God Himself. Modern expressions include liberal Protestant theology, some Unitarian Universalist congregations, and certain strands of progressive Christianity.

The Biblical Response: This position requires not merely reinterpreting isolated texts but systematically rejecting the plain meaning of: John 1:1, John 1:18, John 8:58, John 10:30, John 20:28, Romans 9:5, Colossians 2:9, Titus 2:13, Hebrews 1:8, 1 John 5:20, and the entirety of the OT-NT YHWH transfer pattern documented in Part VII. It also requires a Jesus who was willfully deceptive — claiming divine prerogatives He did not possess, accepting worship He did not deserve, and pronouncing forgiveness He had no authority to grant. The Unitarian Jesus is either divine (as He claimed) or a profoundly dishonest man — and a dishonest man cannot be the moral exemplar Unitarians wish to celebrate.

C. S. Lewis (Mere Christianity, Book II, Chapter 3) articulated this logic with enduring clarity: "A man who was merely a man and said the sort of things Jesus said would not be a great moral teacher. He would either be a lunatic — on the level with the man who says he is a poached egg — or else he would be the Devil of Hell. You must make your choice. Either this man was, and is, the Son of God, or else a madman or something worse. You can shut him up for a fool, you can spit at him and kill him as a demon or you can fall at his feet and call him Lord and God, but let us not come with any patronising nonsense about his being a great human teacher." (CSLewis.com)

Nestorianism and Docetism

Nestorianism (associated with Nestorius, Archbishop of Constantinople, d. ca. 451) is often summarized (perhaps imprecisely) as teaching that Christ's human and divine natures were so separate that they constituted two distinct persons — a "double personality." Nestorius objected to calling Mary Theotokos ("God-bearer"), preferring Christotokos ("Christ-bearer"). He was condemned at the Council of Ephesus (AD 431).

Docetism (from Greek δοκέω, dokeō, "to seem, to appear") taught that Jesus only appeared to be human — He was fully divine, but His humanity was an illusion. This was the heresy John confronts in 1 John 4:2–3: "every spirit that confesses that Jesus Christ has come in the flesh is from God; and every spirit that does not confess Jesus is not from God; this is the spirit of the antichrist." The emphasis on the real flesh (σαρκὶ ἐληλυθότα, perfect tense — has come and remains in the flesh) is a direct anti-Docetic statement.

The Biblical teaching is the Chalcedonian Definition (AD 451): Jesus Christ is one person with two natures — fully divine and fully human — the natures united without confusion, without change, without division, without separation. This is not a philosophical invention of later councils; it is the teaching of Scripture: John 1:1 + John 1:14; Romans 9:5; Colossians 2:9; Hebrews 2:14–18. The incarnate Son is "Jesus Christ, who came in the flesh" — truly and fully human — AND "our great God and Savior" (Titus 2:13) — truly and fully God.

The Series

Part 8 of eight in the series Jesus is God: A Series on the Deity of Christ.

1. Part 1 - The Case for the Deity of Christ - How Scripture Makes the Claim
2. Part 2 - Messianic Prophecy and the Deity of Christ - Seven Old Testament Texts
3. Part 3 - YHWH Texts Applied to Jesus - The Old Testament's Boldest Claim
4. Part 4 - The Gospel of John and the Deity of Christ
5. Part 5 - The Synoptic Gospels and Acts - Jesus Claims and Receives What Belongs to God
6. Part 6 - The Epistles and the Deity of Christ
7. Part 7 - Revelation and the Deity of Christ - Worship at the Throne
8. Part 8 - Errors About the Deity of Christ - Arianism, Islam, Modalism, and More (this post)