Proverbs 29:20
"Seest thou a man that is hasty in his words? there is more hope of a fool than of him."
Cross References (ranked by relevance)
Seest thou a man wise in his own conceit? there is more hope of a fool than of him.
Wherefore, my beloved brethren, let every man be swift to hear, slow to speak, slow to wrath:
He that is slow to wrath is of great understanding: but he that is hasty of spirit exalteth folly.
Be not rash with thy mouth, and let not thine heart be hasty to utter any thing before God: for God is in heaven, and thou upon earth: therefore let thy words be few.
A fool uttereth all his mind: but a wise man keepeth it in till afterwards.
The thoughts of the diligent tend only to plenteousness; but of every one that is hasty only to want.