1 Peter 3:9
Do not repay a wrong action with [another] wrong action, nor abusive [language] with [additional] abuse, but rather be a blessing [to one another]. For the purpose of your being called [by God] was so that you could receive a blessing [from Him eventually].
Matthew 5:44
But I tell you, love your enemies and pray for those who persecute you,
Matthew 6:33
So, you should put the kingdom of God and what He says is right first [in your lives], then all these things [i.e., food, drink and clothing] will be provided for you.
Romans 12:17-21
Do not [try to] pay back a wrong done to you by doing something wrong to the other person. Think about how to live honorably in front of all people.