Matthew 10:13
and if the house deserves it, the peace you invoke shall come upon it. If not, your peace shall return to you.
1 Corinthians 15:18
It follows also that those who have fallen asleep in Christ have perished.
Treasury of Scripture Knowledge
Summary
For thou shalt heap coals of fire upon his head, and the LORD shall reward thee.
General references
Bible References
General references
Matthew 5:44
But I command you all, love your enemies, and pray for your persecutors;