Al-Fath 48:22

وَلَوۡ قَٰتَلَكُمُ ٱلَّذِينَ كَفَرُواْ لَوَلَّوُاْ ٱلۡأَدۡبَٰرَ ثُمَّ لَا يَجِدُونَ وَلِيّٗا وَلَا نَصِيرٗا 22

And if those [Makkans] who disbelieve had fought you, they would have turned their backs [in flight]. Then they would not find a protector or a helper