15وَلَقَد كانوا عاهَدُوا اللَّهَ مِن قَبلُ لا يُوَلّونَ الأَدبارَ ۚ وَكانَ عَهدُ اللَّهِ مَسئولًا(Irfan-ul-Quran)And certainly before this they had made a covenant with Allah that they would not turn their backs and run away. And the covenant made with Allah will (certainly) be asked about.