Cease from anger, and forsake wrath: fret not thyself in any wise to do evil.

Psalms 37:8

Make no friendship with an angry man; and with a furious man thou shalt not go:

Proverbs 22:24

Let all bitterness, and wrath, and anger, and clamour, and evil speaking, be put away from you, with all malice:

Ephesians 4:31

The LORD is merciful and gracious, slow to anger, and plenteous in mercy.

Psalms 103:8