Proverbs 10:19 (King James Version)
In the multitude of words there wanteth not sin: but he that refraineth his lips is wise.
Proverbs 10:19 (Amplified Bible)
In a multitude of words transgression is not lacking, but he who restrains his lips is prudent.
Matthew Henry's Concise Commentary on the Bible
Those that speak much, speak much amiss. He that checks himself is a wise man, and therein consults his own peace. (Pr 10:20)
Ecclesiastes 10:14a
A fool also is full of words...