For in much wisdom is much grief; and he who increases knowledge increases pain.
And to man He said, Behold, the fear of the Lord, that is wisdom! And to turn from evil is understanding.
And I said in my heart, As the event of the fool, even so it will happen to me; and why then was I more wise? And I said in my heart that this also is vanity.
For all his days are pains, and his task is grief; his heart does not even lie down in the night. Even this also is vanity.
Do not be too much a righteous one, nor make yourself overly wise; why destroy yourself?