Slow to anger

Proverbs 15:18
New King James Version (NKJV)

18 A wrathful man stirs up strife,
But he who is slow to anger allays contention.

Proverbs 14:17
New King James Version (NKJV)

17 A quick-tempered man acts foolishly,
And a man of wicked intentions is hated.

Proverbs 16:32
New King James Version (NKJV)

32 He who is slow to anger is better than the mighty,
And he who rules his spirit than he who takes a city.