to no purpose.
20 all go to one place, all are of the dust, and all will be turned to dust again.
21 who is certain that the spirit of the sons of men goes up to heaven, or that the spirit of the beasts goes down to the earth?
22 so i saw that there is nothing better than for a man to have joy in his work--because that is his reward. who will make him see what will come after him? 