Muhammad bin 'Abdur Rahman bin al-Bailma محمد بن عبد الرحمن بن البيلماني · The Chapters on Jihad

“Listen and obey, even if the one appointed over you is an Ethiopian slave with a head like a raisin.”

“Even if the one appointed over you is a mutilated Ethiopian slave whose nose and ears have been cut off, listen to him and obey, so long as he leads you according to the Book of Allah.”