Ecclesiastes 1:14

1:14 I reflected on everything that is accomplished by man on earth,

and I concluded: Everything he has accomplished is futile – like chasing the wind!

Ecclesiastes 4:6

4:6 Better is one handful with some rest

than two hands full of toil and chasing the wind.

Ecclesiastes 7:23

Human Wisdom is Limited

7:23 I have examined all this by wisdom;

I said, “I am determined to comprehend this” – but it was beyond my grasp.