The Lord is gracious and full of compassion, slow to anger, and of great mercy. Psalm 145:8
....a God ready to pardon, gracious and merciful, slow to anger, and of great kindness..., Nehemiah 9:17
For his anger endureth but a moment; in his favour is life: weeping may endure for a night, but joy cometh in the morning. Psalm 30:5
Wherefore, my beloved brethren, let every man be swift to hear, slow to speak, slow to wrath: For the wrath of man worketh not the righteousness of God. James 1:19,20
Be not hasty in thy spirit to be angry: for anger resteth in the bosom of fools. Ecclesiastes 7:9
He that is soon angry dealeth foolishly:... Proverbs 14:17
A wrathful man stirreth up strife: but he that is slow to anger appeaseth strife. Pro 15:18
He that is slow to anger is better than the mighty; and he that ruleth his spirit than he that taketh a city. Proverbs 16:32
An angry man stirreth up strife, and a furious man aboundeth in transgression. Proverbs 29:22