The Book of Faith (Kitab Al-Iman)

Muslim :: Book 1 : Hadith 431

The same hadith has been narrated from A'mash on the authority of the same chain of transmitters with the exception of these words: You would be no more among men (on the Day of Resurrection) but like a white hair on (the body of) a black ox, or like a black hair on (the body of) a white ox, and he made no mention of: a strip on the foreleg of an ass.