1 Thessalonians 5:15 - ESV
See that no one repays anyone evil for evil, but always seek to do good to one another and to everyone.
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New Internation Version
Make sure that nobody pays back wrong for wrong, but always strive to do what is good for each other and for everyone else.

King James Version
See that none render evil for evil unto any man; but ever follow that which is good, both among yourselves, and to all men.