Ecclesiastes 7:19-24

Wisdom gives strength to the wise man more than ten rulers who are in a city. Surely there is not a righteous man on earth who does good and never sins. Do not take to heart all the things that people say, lest you hear your servant cursing you. Your heart knows that many times you yourself have cursed others. All this I have tested by wisdom. I said, “I will be wise,” but it was far from me. That which has been is far off, and deep, very deep; who can find it out?