Explained in detail · 34

وَلَا تَسۡتَوِي ٱلۡحَسَنَةُ وَلَا ٱلسَّيِّئَةُۚ ٱدۡفَعۡ بِٱلَّتِي هِيَ أَحۡسَنُ فَإِذَا ٱلَّذِي بَيۡنَكَ وَبَيۡنَهُۥ عَدَٰوَةࣱ كَأَنَّهُۥ وَلِيٌّ حَمِيمࣱ‏

Nor can goodness and Evil be equal. Repel (Evil) with what is better: Then will he between whom and thee was hatred become as it were thy friend and intimate