Proverbs 25:20-22

New International Version

²⁰ Like one who takes away a garment on a cold day,
    or like vinegar poured on a wound,
    is one who sings songs to a heavy heart.

²¹ If your enemy is hungry, give him food to eat;
    if he is thirsty, give him water to drink.
²² In doing this, you will heap burning coals^(A) on his head,
    and the Lord will reward you.^(B)