15وَلَقَد كانوا عاهَدُوا اللَّهَ مِن قَبلُ لا يُوَلّونَ الأَدبارَ ۚ وَكانَ عَهدُ اللَّهِ مَسئولًاMuhammad Asadalthough ere that they had vowed before God that they would never turn their backs [on His message]: and a vow made to God must surely be answered for!