If Christ is not truly from us, He cannot truly redeem us—this is where Calvin presses hardest, refusing every shortcut that weakens the incarnation (Romans 5:18; Galatians 4:4; Hebrews 2:14).

Calvin doubles down on the claim that Christ’s humanity is not symbolic, not partial, and not negotiable. He dismantles attempts to turn phrases like “seed of Abraham” or “Son of David” into mere allegory, showing that Scripture insists on real descent, real genealogy, and real participation in the human race—from Adam through Mary. He argues that Christ is not merely passing through humanity but truly arising from it, sharing our nature so that His work can truly be ours. Then he tackles the deeper objection: if Christ comes from Adam’s line, how is He not corrupted like the rest of us? Calvin’s answer is sharp and careful—Christ’s purity does not come from avoiding human nature but from the sanctifying work of the Spirit. He is fully human, yet without sin—not because humanity itself is evil, but because corruption is accidental, not essential. Finally, Calvin guards against another mistake: thinking that the incarnation somehow confines God. The Son takes on flesh without ceasing to fill all things. The result is a Christ who is fully with us, fully for us, and still fully God—exactly the kind of Mediator we actually need.

Readings:

John Calvin — Institutes of the Christian Religion, Book 2, Chapter 13 (Sections 3–4)

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