Ecclesiastes 3:20-22

²⁰All go to one place. All are from the dust, and all turn to dust again.

²¹Who knows the spirit of man, whether it goes upward, and the spirit of the animal, whether it goes downward to the earth?”

²²Therefore I saw that there is nothing better than that a man should rejoice in his works, for that is his portion; for who can bring him to see what will be after him?