Surah Al-Anfal Ayah #15 Translated in English
يَا أَيُّهَا الَّذِينَ آمَنُوا إِذَا لَقِيتُمُ الَّذِينَ كَفَرُوا زَحْفًا فَلَا تُوَلُّوهُمُ الْأَدْبَارَ
O you who have believed, when you meet those who disbelieve advancing [in battle], do not turn to them your backs [in flight].