Matthew 18:30

And he would not: but went and cast him into prison, till he should pay the debt.

Cross-references

Deuteronomy 15:7 commands openhandedness to the poor—contrasting the servant's hardhearted refusal to forgive.

Proverbs 21:13 warns ignoring cries leads to unanswered cries—the servant's refusal foreshadows his own rejection.

Luke 12:58 Contrast

Luke 12:58 advises settling quickly to avoid prison—the servant does the opposite, refusing reconciliation.