And Abu Bakr ibn Abi Shaybah narrated to us, Gundar narrated to us, from Shu'bah — and Muhammad ibn al-Muthanna and Ibn Bashshar narrated to us, they said: Muhammad ibn Ja'far narrated to us, Shu'bah narrated to us, from al-Hakam, from Mus'ab ibn Sa'd ibn Abi Waqqas, from Sa'd ibn Abi Waqqas, who said: The Messenger of Allah, peace and blessings be upon him, left 'Ali ibn Abi Talib behind during the expedition of Tabuk. He said: "O Messenger of Allah, do you leave me behind with the women and children?" He replied: "Are you not content to be to me as Aaron was to Moses, except that there is no prophet after me?"