Ecclesiastes 4:5

4:5 The fool folds his hands and does no work,

so he has nothing to eat but his own flesh.

Ecclesiastes 7:17

7:17 Do not be excessively wicked and do not be a fool;

otherwise you might die before your time.

Ecclesiastes 10:2

Wisdom Can Be Nullified By the Caprice of Rulers

10:2 A wise person’s good sense protects him,

but a fool’s lack of sense leaves him vulnerable.

Ecclesiastes 10:12

Words and Works of Wise Men and Fools

10:12 The words of a wise person win him favor,

but the words of a fool are self-destructive.

Ecclesiastes 10:15

10:15 The toil of a stupid fool wears him out,

because he does not even know the way to the city.