Ecclesiastes 1:11-13

¹¹There is no memory of those who have gone before, and of those who come after there will be no memory for those who are still to come after them.

¹²I, the Preacher, was king over Israel in Jerusalem.

¹³And I gave my heart to searching out in wisdom all things which are done under heaven: it is a hard thing which God has put on the sons of men to do.