15وَلَقَد كانوا عاهَدُوا اللَّهَ مِن قَبلُ لا يُوَلّونَ الأَدبارَ ۚ وَكانَ عَهدُ اللَّهِ مَسئولًاSyed V. AhamedAnd indeed, they had already made a promise to Allah not to turn their backs (and run away), and a promise to Allah must be kept.