Abu Sa'id al-Khudri · The Book of al-Bay'ah

"From his father," and Yahya said: "From his father," from his grandfather, whom said: 'We pledged to the Messenger of Allah to hear and obey during our hardship and our ease, when we felt energetic and when we felt tired, and when others are preferred over us, that we would not contend with the orders of whomever was entrusted with it, that we would stand firm for the truth wherever it may be, and that we would not fear the…

"I heard my grandmother say: 'I heard the Messenger of Allah say, during the Farewell Pilgrimage: If an Ethiopian slave is appointed over you who rules according to the Book of Allah, then listen to him and obey."'