Ecclesiastes 10:13

10:13 At the beginning his words are foolish

and at the end his talk is wicked madness,

Ecclesiastes 1:17

1:17 So I decided to discern the benefit of wisdom and knowledge over foolish behavior and ideas;

however, I concluded that even this endeavor is like trying to chase the wind!

Ecclesiastes 7:25

True Righteousness and Wisdom are Virtually Nonexistent

7:25 I tried to understand, examine, and comprehend

the role of wisdom in the scheme of things,

and to understand the stupidity of wickedness and the insanity of folly.