Ecclesiastes 2:10-11

10And whatsoever mine eyes desired I kept not from them: I withheld not my heart from any joy; for my heart rejoiced in all my labour, and this was my portion from all my labour.

11Then I looked on all the works that my hands had wrought, and on the labour that it had cost me to do [them]; and behold, all was vanity and pursuit of the wind, and there was no profit under the sun.