Ecclesiastes 2:10-11

10If I saw something that I wanted I took it for myself. If something would give me pleasure, I did it. So all my work made me very happy. My hard work gave me things to enjoy.

11Then I thought about everything that I had done, and all my hard work. After all that, I realized that none of these things had a purpose. I was like somebody who tries to catch the wind. None of the things on earth have any value.