The Apostle Paul
Romans 12:21BSB·traditional attribution

Do not be overcome by evil, but overcome evil with good.

John Calvin Reformed @genevareformer

21. Be not overcome by evil, etc. This sentence is laid down as a confirmation; for in this case our contest is altogether with perverseness, if we try to retaliate it, we confess that we are overcome by it; if, on the contrary, we return good for evil, by that very deed we show the invincible firmness of our mind.

Matthew Henry Presbyterian @wholebiblehenry

We may observe here, according to the scheme mentioned in the contents, the apostle's exhortations, I. Concerning our duty to God, We see what is godliness. 1. It is to surrender ourselves to God, and so to lay a good foundation. We must first give our own selves unto the Lord, Co2 8:5. This is here pressed as the spring of all duty and obedience, Rom 12:1, Rom 12:2.

Commenting on Romans 12:1-21

John Gill Reformed Baptist @doctorgill

Be not overcome of evil,.... Neither of the evil one, Satan, who is very busy to stir up the corruption of nature to an hatred of enemies, and to seek revenge; but give no place nor heed unto him, resist him, and he will flee from you, Jam 4:7; "put on the whole armour of God", Eph 6:11, whereby you may defend yourselves, that he...