For in much wisdom is much grief: and he that increaseth knowledge increaseth sorrow.
And unto man he said, Behold, the fear of the Lord, that is wisdom; and to depart from evil is understanding.
Then said I in my heart, As it happeneth to the fool, so it happeneth even to me; and why was I then more wise? Then I said in my heart, that this also is vanity.
For all his days are sorrows, and his travail grief; yea, his heart taketh not rest in the night. This is also vanity.
Be not righteous over much, neither make thyself over wise: why shouldest thou destroy thyself?