Ecclesiastes 1:14; Ecclesiastes 2:11

14 I have seen everything that is done under the sun, and behold, all is rvanity1 and a striving after wind.2

11 Then I considered all that my hands had done and the toil I had expended in doing it, and behold, all was ovanity and a striving after wind, and there was nothing pto be gained under the sun.