Ps 7.4 If I have rewarded evil unto him that was at peace with me; (yea, I have delivered him that without cause is mine enemy:)
Mat 5.44 But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Rom 12.17-19 Recompense to no man evil for evil. Provide things honest in the sight of all men.