incarnation
+ NewThe Word Made Flesh — John 1:1-14
John 1:1-14 frames the whole Gospel: "In the beginning was the Word, and the Word was with God, and the Word was God... and the Word became flesh and dwelt among us." The Logos is both distinct from God and fully God. Athanasius made the eternal deity of the Word the linchpin against Arius, a stand vindicated at Nicaea with the term homoousios. Augustine drew on this prologue for his trinitarian theology of the Word. The creational "in the beginning" deliberately echoes Gen 1:1, and the incarnation of 1:14 finds its hymnic parallel in Phil 2:6-7 and Col 1:15-16. The eternal Son enters his own creation.
The Two Natures of Christ — Chalcedon and Colossians 1:15-20
Col 1:15-20 confesses Christ as "the image of the invisible God" in whom "all the fullness of God was pleased to dwell." He is at once the firstborn over creation and the one in whom all things hold together. The Chalcedonian Definition guards this with its four adverbs: without confusion, change, division, or separation — one person in two natures. Gregory of Nazianzus supplied the soteriological rule: what is not assumed is not healed. Aquinas later systematized the hypostatic union. The cosmic Christ of Colossians connects to the Logos of John 1:3 and to the exaltation of Phil 2:9-11. Athanasius's logic — God became man that man might be made divine — undergirds the whole.
The Kenosis — Philippians 2:5-11
Phil 2:5-11 traces Christ's descent and exaltation: though "in the form of God," he "emptied himself, taking the form of a servant," and was therefore "highly exalted." The hymn is the pattern of Christian humility and the map of redemption. Debate centers on the kenosis: of what did Christ empty himself? Chalcedon's two-natures grammar rules out any loss of deity; the self-emptying is the veiling of glory, not its abandonment. Barth read the passage as God's freedom to be lowly, while Bavinck guarded the immutability of the divine nature. The "form of God" language parallels Col 1:15 and John 1:1, and the universal homage of 2:10-11 fulfills the monotheistic oath of Isa 45:23. Every knee will bow to the crucified Lord.
The Virgin Birth — Isaiah 7:14 and Matthew 1
Matt 1:22-23 reads the birth of Jesus as the fulfillment of Isa 7:14: "the virgin shall conceive and bear a son, and they shall call his name Immanuel." Matthew hears in Immanuel, "God with us," the whole meaning of the incarnation. Irenaeus saw the virgin birth as the new beginning of humanity, Mary undoing the knot of Eve. Aquinas defended its fittingness: the new creation requires a new origin. The sign given to faithless Ahaz becomes the sign to the world. The Immanuel theme frames the whole Gospel, returning in Matt 28:20, "I am with you always." It connects to the Word made flesh in John 1:14 and to the protoevangelium's promised seed in Gen 3:15.
Why God Became Man — Athanasius on the Incarnation
Athanasius's thesis is famous: the Word became man so that we might be made divine. He reads John 1:14 as the divine remedy for human corruption and death, grounding the whole argument in the creative and re-creative work of the Word. The logic is soteriological: only the Creator can renew the image he made, so only God incarnate can save. Gregory of Nazianzus sharpened the rule — what is not assumed is not healed, and Irenaeus had cast it as recapitulation. This deification theme connects to the image of God in Gen 1:27 and to the glory shared with believers in Rom 8:29-30. Nicaea's homoousios is the grammatical guardrail of the whole vision.