فصّلت — Fussilat Ayat 34
وَلَا تَسْتَوِى الْحَسَنَةُ وَلَا السَّيِّئَةُ ۗاِدْفَعْ بِالَّتِيْ هِيَ اَحْسَنُ فَاِذَا الَّذِيْ بَيْنَكَ وَبَيْنَهٗ عَدَاوَةٌ كَاَنَّهٗ وَلِيٌّ حَمِيْمٌ
Wa lā tastawil-ḥasanatu wa las-sayyi'ah(tu), idfa‘ bil-latī hiya aḥsanu fa'iżal-lażī bainaka wa bainahū ‘adāwatun ka'annahū waliyyun ḥamīm(un).
"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."