For all his days are sorrowful, and his work burdensome; even in the night his heart takes no rest. This also is vanity.
Ecclesiastes 2:23
Surrounding context
2:22 For what has man for all his labor, and for the striving of his heart with which he has toiled under the sun?
2:23 For all his days are sorrowful, and his work burdensome; even in the night his heart takes no rest. This also is vanity.
2:24 Nothing is better for a man than that he should eat and drink, and that his soul should enjoy good in his labor. This also, I saw, was from the hand of God.