Al-Mu'minun 23:96

ٱدْفَعْ بِٱلَّتِى هِىَ أَحْسَنُ ٱلسَّيِّئَةَ ۚ نَحْنُ أَعْلَمُ بِمَا يَصِفُونَ

Id'faʿ bi-allatī hiya aḥsanu l-sayi-ata naḥnu aʿlamu bimā yaṣifūna

Repel, by [means of] what is best, [their] evil. We are most knowing of what they describe.