Ecclesiastes 3
12 Ref I am certain that there is nothing better for a man than to be glad, and to do good while life is in him.
13 Ref And for every man to take food and drink, and have joy in all his work, is a reward from God.
14 Ref I am certain that whatever God does will be for ever. No addition may be made to it, nothing may be taken from it; and God has done it so that man may be in fear before him.