سورة Al-Ahzaab 33:15

وَلَقَدْ كَانُوا۟ عَـٰهَدُوا۟ ٱللَّهَ مِن قَبْلُ لَا يُوَلُّونَ ٱلْأَدْبَـٰرَ ۚ وَكَانَ عَهْدُ ٱللَّهِ مَسْـُٔولًۭا ١٥

They had already pledged to Allah earlier never to turn their backs ˹in retreat˺. And a pledge to Allah must be answered for