Muhammad ibn 'Amr ibn Jabalah ibn Abi Rawwad narrated to us, Abu 'Amir—meaning al-'Aqadi—narrated to us, Qurrah narrated to us, from Muhammad, from Abu Hurayrah, from the Prophet, peace and blessings be upon him, who said: "Whoever buys a sheep that has been left unmilked (to deceive the buyer) has the choice for three days. If he returns it, he returns with it a sa' of food, not of the best quality (samra')."