Indeed, those who believed and those who were Jews or Christians or Sabeans – those [among them] who believed in Allah and the Last Day and did righteousness – will have their reward with their Lord, and no fear will there be concerning them, nor will they grieve.
Islam: a religion of Peace
And not equal are the good deed and the bad. Repel [evil] by that [deed] which is better; and thereupon the one whom between you and him is enmity [will become] as though he was a devoted friend.”
” And if you punish [an enemy, O believers], punish with an equivalent of that with which you were harmed. But if you are patient – it is better for those who are patient. ”