Ecclesiastes 7:23-26

²³For many times he shall trespass against you, and repeatedly shall he afflict your heart; for thus also have you cursed others.

²⁴All these things have I proved in wisdom: I said, I will be wise; but it was far from me.

²⁵That which is far beyond what was, and a great depth, who shall find it out?

²⁶I and my heart went round about to know, and to examine, and to seek wisdom, and the account of things, and to know the folly and trouble and madness of the ungodly man.