Proverbs 25:22

For thou will heap coals of fire upon his head, and LORD will reward thee.

It may be that LORD will look on the wrong done to me, and that LORD will reward me good for [his] cursing of me this day.

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

Then also those who slept 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, bless those who curse you, do good to those who hate you, and pray for those who mistreat you and persecute you,