Sahih Bukhari 692

Narrated Anas: The Prophet said, Listen and obey (your chief) even if an Ethiopian whose head is like a raisin were made your chief. ..

Narrated Abu Huraira: Allah's Apostle said, If the Imam leads the prayer correctly then he and you will receive the rewards but if he makes a mistake (in the prayer) then you will receive the reward for the prayer and the sin will be his. ..

Narrated 'Ubaid-Ullah bin Adi bin Khiyar: I went to 'Uthman bin Affan while he was besieged, and said to him, You are the chief of all Muslims in general and you see what has befallen you. We are led in the Salat (prayer) by a leader of Al-Fitan..

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. ..

Narrated Ibn `Abbas: Once I passed the night in the house of my aunt Maimuna. Allah's Apostle offered the `Isha' prayer and then came to the house and offered four rak`at an slept. Later on, he woke up and stood for the prayer and I stood on his..

Narrated Ibn `Abbas: One night I slept at the house of (my aunt) Maimuna and the Prophet was there on that night. He performed ablution and stood up for the prayer. I joined him and stood on his left side but he drew me to his right and prayed..