Proverbs Chapter 17, Verse 27
From BibleWiki
27: He that hath knowledge spareth his words: and a man of
understanding is of an excellent spirit.
27: He that setteth bounds to his words, is knowing and wise: and the
man of understanding is of a precious spirit.
27: He that forbears to utter a hard word is discreet, and a patient man is wise.
Proverbs Chapter 17, Verse 27/commentary

