Cross reference
Proverbs 14:33
33 Wisdom has her resting-place in the mind of the wise, but she is not seen among the foolish.
Proverbs 12:16
16 A foolish man lets his trouble be openly seen, but a sharp man keeps shame secret.
Proverbs 29:11
11 A foolish man lets out all his wrath, but a wise man keeps it back quietly.
Proverbs 12:23
23 A sharp man keeps back his knowledge; but the heart of foolish men makes clear their foolish thoughts.
Proverbs 13:16
16 A sharp man does everything with knowledge, but a foolish man makes clear his foolish thoughts.
Proverbs 15:2
2 Knowledge is dropping from the tongue of the wise; but from the mouth of the foolish comes a stream of foolish words.
Proverbs 15:28
28 The heart of the upright gives thought to his answer; but from the mouth of the evil-doer comes a stream of evil things.
Ecclesiastes 10:3
3 And when the foolish man is walking in the way, he has no sense and lets everyone see that he is foolish.