Quran 23:96 from Surah Al-Muminoon on Divine Marvels.
ٱدۡفَعۡ بِٱلَّتِي هِيَ أَحۡسَنُ ٱلسَّيِّئَةَۚ نَحۡنُ أَعۡلَمُ بِمَا يَصِفُونَ
English translation: Repel by that which (is) best the evil We know best of what they attribute
Transliteration: id'fa' bi-allati hiya ahsanu al-sayi-ata nahnu a'lamu bima yasifuna