Proverbs 21:18

The wicked shall be a ransom for the righteous, and the transgressor for the upright.

Cross-reference

Proverbs 11:8 states the righteous are delivered while the wicked take their trouble, a direct parallel to the substitution in this verse.

In 1 Peter 3:18, Christ suffers for the unjust, fulfilling the ransom principle: the Just dies for the unrighteous.

Daniel 3:22 Parallel

In Daniel 3:22, the executioners die in the furnace instead of the faithful—a literal case of the wicked as ransom for the righteous.

Isaiah 43:3 Related theme

Isaiah 43:3 describes God giving nations as a ransom for Israel, illustrating the same substitution principle from a divine perspective.

Isaiah 43:4 Related theme

Isaiah 43:4 continues the ransom theme, emphasizing Israel's preciousness as the reason for substitution, similar to the proverb's dynamic.