Ecclesiastes 8:16-17

Complete Jewish Bible

¹⁶ When I applied myself to gain wisdom and to observe how people occupy themselves on earth, that people’s eyes don’t see sleep either by day or by night, ¹⁷ then, on looking over all of God’s work, I realized that it is impossible to grasp all the activity taking place under the sun; because even if a person works hard at searching it out, he won’t grasp it; and even if a wise person thinks he knows it, he still won’t be able to grasp it.