Thus he made it plain that he had told them about him so that, when he arrived, they would believe in him, entertain no doubt concerning him, and recognize that he would bear witness for him. Such are the qualities of the one of whom the Messiah gave glad tidings—one who also bears witness to the Messiah, just as the Exalted One says:

“And when Jesus son of Mary said, ‘O Children of Israel, I am the messenger of Allah to you, confirming the Torah that is before me and bringing glad tidings of a messenger who will come after me whose name is Ahmad.’” (As-Saff 61:6)

He further reported that this Paraclete would rebuke the world for its sin, and no one has ever reproved all mankind for its sin except Muhammad—may Allah bless him and grant him peace. He warned every class of humanity and censured them for their wrongdoing—whether disbelief, depravity, or disobedience. He reproached all the idolaters among the Arabs, Indians, Turks, and others; he reproached the Magians, whose empire was then the greatest of realms; and he reproached the People of the Scripture, both Jews and Christians.

In the authentic hadith he said, “Allah looked upon the people of the earth and detested them, Arabs and non-Arabs alike, except for a few remnants from the People…"