Muhammad told Khadija about the second visit of Gabriel...

Muhammad told Khadija about the second visit of Gabriel, and the duty imposed upon him by Allah to invite her to Islam. For Khadija, the antecedents and the moral integrity of her husband were an incontrovertible attestation that he was a divine messenger, and she readily accepted Islam. In fact, between her and Islam, an “ideological affinity” had pre-existed. Therefore, when Muhammad Mustafa presented Islam to her, she at once “recognized” it, and rosily embraced it.

She believed that the Creator was One, and that Muhammad was His messenger, and she declared: I bear witness that there is no god but Allah; and I bear witness that Muhammad is His slave and His Messenger.…