Romans 12:14
Bless those who persecute you; bless and curse not.
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it should be very obvious that so much of this twelfth chapter of the apostle Paul's letter to believers in Rome (and us too), is his Spirit-led admonition to bless those who persecute us—to touch others with God’s love. That is built upon a foundation of unity in the body and is all about our spiritual service of worship {Rom.12:1}.

That message is clearly not limited to our dealing with believers, but with everybody! While some saints might treat us wrongly—and they certainly should know better—the verses that follow make clear that our blessings must extend to 'all men' as we 'overcome evil with good'! {Rom.12:21}
 
Should you or I have any difficulty with that concept and with Paul, perhaps we should hear it from the One who was Paul's teacher: “Blessed are those who have been persecuted for the sake of righteousness, for theirs is the kingdom of heaven. Blessed are you when men cast insults at you, and persecute you, and say all kinds of evil against you falsely, on account of Me. Rejoice, and be glad, for your reward in heaven is great, for so they persecuted the prophets who were before you.” {Mat..5:10-12}

Which Jesus followed by saying:  “You have heard that it was said, you shall love your neighbor, and hate your enemy. But I say to you, love your enemies, and pray for those who persecute you” {Mat.5:43-44} “For if you forgive men for their transgressions, your heavenly Father will also forgive you. But if you do not forgive men, then your Father will not forgive your transgressions.” {Mat.6:14-15}
 
If indeed you think that it would be difficult, if not impossible, to follow those instructions (commands) from Jesus please remember that what He has called us to do He has equipped us to do! And keep in mind that He has shown us the perfect example as He hung on the cross and prayed, “Father forgive them.” {Lk.23:34}

"And not only this, but we also exult in our tribulations, knowing that tribulation brings about perseverance; and perseverance, proven character; and proven character, hope; and hope does not disappoint, because the love of God has been poured out within our hearts through the Holy Spirit who was given to us.” (Romans 5:3-5)

TEST EVERYTHING BY THE WORD OF GOD