Matthew 5:44
but I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them that abuse you and persecute you;
Matthew 6:14
For if ye forgive men their faults, your heavenly Father will also forgive you:
Romans 12:20-21
Therefore if thine enemy hunger, feed him; if he thirst, give him drink: for in so doing, thou shalt heap coals of fire on his head.
1 Thessalonians 5:15
See that no one render evil for evil to any man; but always pursue that which is good, both to each other and to all men.
1 Peter 3:9
not returning evil for evil, or reproach for reproach: but on the contrary blessing even those that curse you: knowing ye are called unto this, that ye may obtain a blessing.