Matthew 5:44

But I say to you, Love your enemies, and pray for those who persecute you;

1 Thessalonians 5:15

See that none render evil for evil to any one; but ever follow that which is good, both toward one another and toward all.

Luke 6:27-28

But I say to you who hear: Love your enemies; do good to those who hate you;

Romans 12:17-21

Render to no one evil for evil; have regard to what is honorable in the sight of all men.

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 say to you, Love your enemies, and pray for those who persecute you;
Luke 6:27
But I say to you who hear: Love your enemies; do good to those who hate you;
Romans 12:17
Render to no one evil for evil; have regard to what is honorable in the sight of all men.
1 Thessalonians 5:15
See that none render evil for evil to any one; but ever follow that which is good, both toward one another and toward all.