Jami' at-Tirmidhi — Hadith #29967

Sufyan bin Waki` told us, he said, my father told us, on the authority of Sufyan al-Thawri, on the authority of Abu Ishaq, on the authority of al-Harith, on the authority of Ali, the Messenger of God, may God bless him and grant him peace, said May God bless him and grant him peace “If I were to appoint anyone as commander without consulting him, I would appoint Ibn Umm Abd.”