Surah Al-Fath Verse 22 - English Translation by Ali Unal
Surah Al-Fathوَلَوۡ قَٰتَلَكُمُ ٱلَّذِينَ كَفَرُواْ لَوَلَّوُاْ ٱلۡأَدۡبَٰرَ ثُمَّ لَا يَجِدُونَ وَلِيّٗا وَلَا نَصِيرٗا
If the unbelievers (of Makkah) had fought against you (instead of signing the treaty with you at Hudaybiyah), they would certainly have turned their backs in flight, then they would have found no protecting guardian or helper (to rescue them)