وَيَقُولُ ٱلَّذِينَ كَفَرُوا۟ لَسْتَ مُرْسَلًا ۚ قُلْ كَفَىٰ بِٱللَّهِ شَهِيدًۢا بَيْنِى وَبَيْنَكُمْ وَمَنْ عِندَهُۥ عِلْمُ ٱلْكِتَـٰبِ
wayaqūlu alladhīna kafarū lasta mur'salan qul kafā bil-lahi shahīdan baynī wabaynakum waman ʿindahu ʿil'mu l-kitābi
And those who have disbelieved say, "You are not a messenger." Say, [O Muḥammad], "Sufficient is Allāh as Witness between me and you, and [the witness of] whoever has knowledge of the Scripture."
— Saheeh International
They say, ‘You have not been sent.’ Say, ‘God is sufficient witness between me and you: all knowledge of the Scripture comes from Him.’
— M. A. S. Abdel Haleem
And those who disbelieved, say: "You (O Muhammad صلى الله عليه و سلم) are not a Messenger." Say: "Sufficient as a witness between me and you is Allâh and those too who have knowledge of the Scripture (such as ‘Abdullâh bin Salâm and other Jews and Christians who embraced Islâm)."
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali