Matthew 5:44

But I tell you, love your enemies and pray for your persecutors,

1 Thessalonians 5:15

Take care that none of you ever pays back evil for evil, but always try to treat one another and everybody with kindness.

Luke 6:27-28

"But I tell you who hear me, love your enemies, treat those who hate you well,

Romans 12:17-21

Do not pay anyone back with evil for evil. See that you are above reproach in the eyes of everyone.

Treasury of Scripture Knowledge

Summary

If thou meet thine enemy's ox or his ass going astray, thou shalt surely bring it back to him again.

Bible References

General references

Matthew 5:44
But I tell you, love your enemies and pray for your persecutors,
Luke 6:27
"But I tell you who hear me, love your enemies, treat those who hate you well,
Romans 12:17
Do not pay anyone back with evil for evil. See that you are above reproach in the eyes of everyone.
1 Thessalonians 5:15
Take care that none of you ever pays back evil for evil, but always try to treat one another and everybody with kindness.