1 Thessalonians 5:15 in the 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.
Context
14 We exhort you, brothers: Admonish the disorderly; encourage the faint-hearted; support the weak; be patient toward all.
15 See that no one returns evil for evil to anyone, but always follow after that which is good for one another and for all.
16 Always rejoice.