Proverbs 17:28
"Even a fool, when he holdeth his peace, is counted wise: and he that shutteth his lips is esteemed a man of understanding."Proverbs 17:28 (KJV)
Context from Proverbs 17
26
Also to punish the just is not good, nor to strike princes for equity.
27
He that hath knowledge spareth his words: and a man of understanding is of an excellent spirit.
28
Even a fool, when he holdeth his peace, is counted wise: and he that shutteth his lips is esteemed a man of understanding.