The incarnation is the eternal Son becoming truly human in Jesus Christ, entering Adam’s mortal world to redeem humanity from within as the obedient last Adam.
The Word was made flesh — not a phantom or a mere appearance, but true man who hungered, grew weary, suffered, and died. He received no exemption from mortal human frailty, yet He never accepted Adam’s lie; He lived in perfect filial trust and obedience.
Coming down in self-giving where Adam reached up in self-exaltation, the Son became one of us in order to save us as one of us — bearing our death and rising as the head of a new humanity.
See in Scripture: John 1:1–14; Philippians 2:5–11; Hebrews 2:14–18; Galatians 4:4–5; 1 Timothy 2:5