Job 5:2 warns that anger kills the foolish. God's warning to Cain — that sin crouches at his door — is the same wisdom: unchecked anger destroys.

Matthew 20:15 shows the master confronting envy, mirroring God's warning to Cain about anger and sin arising from envy.

Luke 15:31 has the father addressing the older son's resentment, parallel to God questioning Cain about his anger.

In Matthew 5:22, Jesus warns that anger at a brother brings judgment — directly echoing God's warning to Cain about his anger toward Abel.

In 1 Samuel 18:9, Saul's jealous eye toward David mirrors Cain's unresolved anger — unchecked envy toward one perceived as favored.

In Esther 3:5, Haman's rage at Mordecai echoes Cain's anger — fury toward someone who won't bow before them.

Job 11:15 promises a lifted face for the blameless — contrasting Cain's downcast face weighed down by guilt and anger.

Ecclesiastes 7:9 warns against quick anger, calling it folly — God's question to Cain is the Bible's first caution against this very impulse.

Isaiah 1:18 shows God inviting sinners to reason together and be forgiven — the same pattern as God graciously warning Cain before he falls deeper.