Matthew 5:44
I, however, say to you--Love your enemies, and pray for those who persecute you,
Matthew 6:14
For, if you forgive others their offences, your heavenly Father will forgive you also;
Romans 12:20-21
Rather--'If your enemy is hungry, feed him; if he is thirsty, give him to drink. By doing this you will heap coals of fire upon his head.'
1 Thessalonians 5:15
Take care that none of you ever pays back wrong for wrong, but always follow the kindest course with one another and with every one.
1 Peter 3:9
never returning evil for evil, or abuse for abuse, but, on the contrary, blessing. It was to this that you were called--to obtain a blessing!