Ecclesiastes 2:22-24

ISV(i) 22 For what does a person gain from everything that he accomplishes and from his inner life struggles that he undergoes while working on earth? 23 Indeed, all of his days are filled with sorrow, and his struggles bring grief. In fact, his mind remains restless throughout the night. This is pointless, too!
24 The Central Point of LifeThe only worthwhile thing for a human being is to eat, drink, and enjoy life’s goodness that he finds in what he accomplishes. This, I observed, is also from the hand of God himself,