Qutaybah ibn Sa'id narrated to us: Layth narrated to us, from Musa ibn 'Ulayy, from his father, from Abu Qays, the freed slave of 'Amr ibn al-'As, from 'Amr ibn al-'As, that the Messenger of Allah (peace be upon him) said: "The distinction between our fasting and the fasting of the People of the Book is the meal of the pre-dawn (suhur)."