Proverbs 29:20
See thou a man who is hasty in his words? There is more hope for a fool than for him.
Proverbs 26:12
See thou a man wise in his own conceit? There is more hope for a fool than of him.
James 1:19
Therefore, my beloved brothers, let every man be swift to hear, slow to speak, slow to wrath.
Proverbs 14:29
He who is slow to anger is of great understanding, but he who is hasty of spirit exalts folly.
Proverbs 21:5
The thoughts of a diligent man [lead] only to abundance, but everyone who is hasty, only to want.
Proverbs 29:11
A fool utters all his anger, but a wise man keeps it back and calms it.
Ecclesiastes 5:2
Be not rash with thy mouth, and let not thy heart be hasty to utter anything before God. For God is in heaven, and thou upon earth. Therefore let thy words be few.