‏الإمارة : Hadeeth No:4525 It has been narrated on the authority of Abu Dharr who said: My friend (i. e. the Prophet) advised me to listen (to the man in position of authority) and obey (him) even if he were a slave maimed (and disabled)....

‏النكاح : Hadeeth No:3431 This hadith is narrated on the authority of Abd al-Ahwas with another chain of transmitters and a slight variation of words....