48:22
وَلَوْ قَاتَلَكُمُ الَّذٖینَ كَفَرُوا لَوَلَّوُا الْاَدْبَارَ ثُمَّ لَا یَجِدُونَ وَلِیًّا وَلَا نَصٖیرًا
Walaw qatalakumu allatheena kafaroo lawallawoo aladbara thumma la yajidoona waliyyan wala naseeran
Translations
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
And if those who disbelieve join battle with you they will take to flight, and afterward they will find no protecting friend nor helper
Marmaduke Pickthall