Ecclesiastes 2:9-11

Thus, I accomplished far more than anyone who was before me in Jerusalem—indeed, my wisdom stood by me. I neither withheld anything from my eyes that they desired, nor did I deprive any pleasure from my heart. My heart rejoiced in all my toil, for this was my reward from all my toil. Yet when I considered all the effort which I expended and the toil with which I toiled to do, then behold, “Everything is vanity and chasing wind! There is nothing profitable under the sun!”