Virtues and Merits of the Prophet (pbuh) and his Companions

Bukhari :: Book 4 :: Volume 56 :: Hadith 707

Narrated Abu Huraira:

Allah's Apostle said, "The tribe of Quraish, the Ansar, the (people of the tribe of) Julhaina, Muzaina, Aslam, Ashja', and Ghifar are my disciples and have no protectors except Allah and His Apostle."