Psalms 37:8 - Cease from anger, and forsake wrath. Don't fret, it leads only to evildoing.
Ephesians 4:26 - "Be angry, and don't sin." Don't let the sun go down on your wrath,
Proverbs 19:11 - The discretion of a man makes him slow to anger. It is his glory to overlook an offense.
Proverbs 16:32 - One who is slow to anger is better than the mighty; one who rules his spirit, than he who takes a city.
Proverbs 15:18 - A wrathful man stirs up contention, but one who is slow to anger appeases strife.