Ecclesiastes 2:12
Next, I decided to consider wisdom, as well as foolish behavior and ideas. For what more can the king's successor do than what the king has already done?
Ecclesiastes 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
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.
Ecclesiastes 1:9-10
What exists now is what will be, and what has been done is what will be done; there is nothing truly new on earth.