Proverbs 12:23
A prudent man concealeth knowledge; but the heart of the foolish proclaimeth folly.
Proverbs 13:16
Every prudent man acteth with knowledge; but the foolish layeth open his folly.
Proverbs 15:2
The tongue of the wise useth knowledge aright; but the mouth of the foolish poureth out folly.
Proverbs 11:13
He that goeth about talebearing revealeth secrets; but he that is of a faithful spirit concealeth the matter.
Proverbs 10:14
The wise lay up knowledge; but the mouth of the fool is near destruction.
Proverbs 10:19
In the multitude of words there wanteth not transgression; but he that restraineth his lips doeth wisely.
Ecclesiastes 10:3
Yea also, when he that is a fool walketh by the way, his sense faileth him, and he saith to every one that he is a fool.
Ecclesiastes 10:12-14
The words of a wise man's mouth are gracious; but the lips of a fool swallow up himself.