Proverbs 25:22

for you will heap burning coals on his head, and the LORD will reward you.

It may be that the LORD will look on the wrong done to me, and that the LORD will repay me with good for his cursing today."

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

Then those also 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 to you, Love your enemies and pray for those who persecute you,