وَلَوۡ قَٰتَلَكُمُ ٱلَّذِينَ كَفَرُواْ لَوَلَّوُاْ ٱلۡأَدۡبَٰرَ ثُمَّ لَا يَجِدُونَ وَلِيّٗا وَلَا نَصِيرٗا
Wa law qaatalakumul lazeena kafaroo la wallawul adbaara summa laa yajidoona waliyanw-wa laa naseeraa
English Translation
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
— Saheeh International