Proverbs 7:7

7:7 And beheld among the simple ones, I discerned among the youths, a young man void of understanding,

Proverbs 12:11

12:11 He that tilleth his land shall be satisfied with bread: but he that followeth vain [persons is] void of understanding.

Proverbs 19:25

19:25 Smite a scorner, and the simple will beware: and reprove one that hath understanding, [and] he will understand knowledge.

Proverbs 20:1

20:1 Wine [is] a mocker, strong drink [is] raging: and whosoever is deceived thereby is not wise.

Proverbs 28:26

28:26 He that trusteth in his own heart is a fool: but whoso walketh wisely, he shall be delivered.