Ecclesiastes 3:9 in the World English Bible
What profit has he who works in that in which he labors?
Context
8 A time to love, and a time to hate; a time of war, and a time of peace.
9 What profit hath he that worketh in that wherein he laboureth?
10 I have seen the travail, which God hath given to the sons of men to be exercised in it.