both gave glad tidings of Muhammad—may Allah bless him and grant him peace—as Muhammad himself has related to us from Allah, the Exalted, who said:

“My mercy encompasses all things, and I shall ordain it for those who are ever-conscious of Me, who give the prescribed alms, and who believe in Our signs—those who follow the Messenger, the unlettered Prophet whom they find written about with them in the Torah and the Gospel. He commands them to what is right and forbids them from what is wrong…” (al-Aʿrāf 156–157).

And He, the Exalted, said:

“When Jesus son of Mary said, ‘O Children of Israel, I am Allah’s messenger to you, confirming what is before me of the Torah and giving glad tidings of a messenger who will come after me whose name is Ahmad.’” (aṣ-Ṣaff 6), and verses of this sort abound.

As for believing in a Moses whose law, they claim, is forever upheld with not a single provision subject to abrogation; or believing in a Christ whom they allege to be Allah Himself, or that Allah united with him or indwelt him—claims that the People of the Book make regarding the two messengers and the two scriptures while Muslims reject them—this falls within the realm of dispute, not of consensus. Therefore no one among the People of the Book may cite a Muslim’s agreement with him on such matters as evidence against any Muslim.

To complete the argument, the Muslim says: “Yes, I affirm the prophethood of Moses and of Christ, and that the Torah and the Gospel are the speech of Allah; yet it is rationally impossible to affirm the prophethood of any one of these while denying the prophethood of Muhammad—may Allah bless him and grant him peace—for…"