Quran 8:15 from Surah Al-Anfaal on Divine Marvels.
يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوٓاْ إِذَا لَقِيتُمُ ٱلَّذِينَ كَفَرُواْ زَحۡفٗا فَلَا تُوَلُّوهُمُ ٱلۡأَدۡبَارَ
English translation: O you who believe When you meet those who disbelieve advancing then (do) not turn to them the backs
Transliteration: yaayyuha alladhina amanu idha laqitumu alladhina kafaru zahfan fala tuwalluhumu al-adbara