Romans 12:20

12:20 Therefore "If your enemy is hungry, feed him. If he is thirsty, give him a drink. For in doing so, you will heap coals of fire on his head."
-World English Bible

Other Translation

12:20 Therefore if thine enemy hunger, feed him; if he thirst, give him drink: for in so doing thou shalt heap coals of fire on his head.
-King James Version