Good Manners and Form (Al-Adab)

Bukhari :: Book 8 :: Volume 73 :: Hadith 180

Narrated Anas:

The Prophet saw a man driving a Badana (a camel for sacrifice) and said (to him). "Ride it." The man said, "It is a Bandana." The Prophet said, "Ride on it." The man said, "It is a Bandana." The Prophet said, Ride on it, woe to you!"