John 12:39-40 to Isaiah 6:10

OT Source(s):

Isaiah 6:10 (Isaiah's commission to hardened people)
Isaiah 6:9 (see and hear but not understand)

Source: Treasury of Scripture Knowledge

Reference Type: Direct Quotation

Connection Method(s): Analogy

Significance: Second Isaiah quotation, paired with 12:38 via gezerah shavah (shared vocabulary: "glory," "exalt"). Both passages share obduracy motif. Independent adaptation of LXX/MT: omits "hearing"; changes concentric structure to parallel; focuses on sight (because of "signs" in 12:37). God's judicial hardening ultimately behind Jewish rejection—not just human choice. Theodicy: God's righteousness vindicated. Pattern extends back to exodus (Deuteronomy 29:2-4: Israel saw signs but God didn't give understanding).

Hermeneutical Notes

NT Use Pattern: Ironic / Inverted — John quotes Isaiah 6:10 to explain Jewish unbelief in Jesus — the hardening commission turned inward on the covenant people.

Anchor Text: Isa 6:9-10 — Hearing They Do Not Understand

Linked Mentions 3

Trajectory Tables 2

Anchor Texts 1

Isaiah 6:9-10 — Hearing They Do Not Understand