Muslim relates—on the authority of Umm al-Ḥuṣayn—that she said, “I heard the Messenger of Allah, may Allah bless him and grant him peace, during the Farewell Pilgrimage saying: ‘Even if a black slave is placed in command over you and he leads you according to the Book of Allah, then listen to him and obey.’

Likewise, the two Ṣaḥīḥs record that he said, “Let those who are present convey the message to those who are absent, for it may be that someone to whom it is conveyed will grasp it better than the one who actually heard it.”

And al-Bukhārī transmits—through ʿAbd Allāh ibn ʿAmr—from the Prophet