Proverbs 25:22

for thou shalt heap coals of fire upon his head, and Jehovah shall reward thee.

It may be that Jehovah will look on mine affliction, and that Jehovah will requite me good for my being cursed this day.

And if the house indeed be worthy, let your peace come upon it; but if it be not worthy, let your peace return to you.

Then indeed also those who have fallen asleep in Christ have perished.

Treasury of Scripture Knowledge

For thou shalt heap coals of fire upon his head, and the LORD shall reward thee.

But I say unto you, Love your enemies, bless those who curse you, do good to those who hate you, and pray for those who insult you and persecute you,