Qur'an 8:15

يَـٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوٓا۟ إِذَا لَقِيتُمُ ٱلَّذِينَ كَفَرُوا۟ زَحْفًا فَلَا تُوَلُّوهُمُ ٱلْأَدْبَارَ

“O you who have believed, when you meet those who disbelieve advancing [in battle], do not turn to them your backs [in flight].”

Al-Anfaal 8:15 · Saheeh International