Proverbs 12:23
A wise man conceals knowledge, but the heart of fools cries out foolishness.
Proverbs 13:16
Every wise one deals with knowledge, but a fool lays open his folly.
Proverbs 15:2
The tongue of the wise uses knowledge rightly, but the mouth of fools pours out foolishness.
Proverbs 11:13
One going with slander is a revealer of secrets, but the faithful of spirit keeps the matter hidden.
Proverbs 10:14
Wise ones store up knowledge; but the mouth of the foolish is near ruin.
Proverbs 10:19
In the multitude of words, sin is not lacking; but he who holds back his lips is wise.
Ecclesiastes 10:3
Yes also, in the way a fool walks, his heart fails; and he says to all that he is a fool.
Ecclesiastes 10:12-14
The words of a wise mouth are gracious; but the lips of a fool will swallow him.