Al-Ahzab · Ayah 15
وَلَقَدْ كَانُوا۟ عَٰهَدُوا۟ ٱللَّهَ مِن قَبْلُ لَا يُوَلُّونَ ٱلْأَدْبَٰرَ وَكَانَ عَهْدُ ٱللَّهِ مَسْـُٔولًا
And they had already promised Allāh before not to turn their backs [i.e., flee]. And ever is the promise to Allāh [that about which one will be] questioned.
Quran 33:15 (Al-Ahzab) · Saheeh International, Noor International Center (QuranEnc v1.1.2)