Narrated Anas bin Malik: The Prophet said to Abu-Dhar, "Listen and obey (your chief) even if he is an Ethiopian with a head like a raisin." Sahih Bukhari 1:11:664
(Narrated Anas bin Malik: The Prophet said to Abu-Dhar, "Listen and obey (your chief) even if he is an Ethiopian with a head like a raisin." Sahih Bukhari 1:11:664)