15يا أَيُّهَا الَّذينَ آمَنوا إِذا لَقيتُمُ الَّذينَ كَفَروا زَحفًا فَلا تُوَلّوهُمُ الأَدبارَ(Irfan-ul-Quran)(O Believers!) When you combat the disbelievers (in the battlefield), never turn your backs on them (even if they are) a large army.