James 3:18 says righteousness is sown in peace — directly opposing the anger that fails to produce righteousness in 1:20.

James 3:17 describes wisdom from above as peaceable and gentle — contrasting with human anger that does not produce righteousness.

2 Timothy 2:24 instructs the Lord's servant to avoid quarrels and be kind—the opposite of the anger James warns against.

1 Samuel 20:30 shows Saul's destructive anger at Jonathan—a vivid case of human anger that produces only shame and division.

1 Samuel 25:13 has David arming to kill Nabal in anger—a near-disaster averted, highlighting how anger leads to unrighteous action.

Psalm 37:8 commands to refrain from anger because it tends to evil — directly reinforcing James' point that anger does not produce righteousness.

Proverbs 15:18 contrasts a hot-tempered man (who stirs strife) with one slow to anger — echoing James' warning against anger's unproductive results.

Joel 2:13 describes God as slow to anger — contrasting with human anger that does not produce righteousness, inviting repentance instead.

Jonah 4:4 has God questioning 'Do you do well to be angry?' — directly implying anger is not good, supporting James' claim.

Matthew 5:9 blesses peacemakers as sons of God — contrasting with anger that fails to produce righteousness, urging peace instead.

Colossians 3:8 explicitly lists anger and wrath as sins to put away, reinforcing James' point that human wrath does not produce righteousness.

2 Timothy 2:25 models gentle instruction of opponents—the righteous alternative to human anger that fails to achieve God's will.

Titus 1:7 requires overseers to be not quick-tempered, echoing James' warning that human wrath is incompatible with God's righteousness.

Titus 3:2 prescribes gentleness and peace, the opposite of wrath, showing the behavior that aligns with God's righteousness instead of human anger.