Ecclesiastes 3:10-13

I have seen the God-given task with which the sons of men are to be occupied. He has made everything beautiful in its time. Also He has put eternity in their hearts, except that no one can find out the work that God does from beginning to end. I know that nothing is better for them than to rejoice, and to do good in their lives, and also that every man should eat and drink and enjoy the good of all his labor—it is the gift of God.