And Muhammad ibn al-Sabbah narrated to us, Ibrahim ibn Sa'd narrated to us, al-Zuhri narrated to us, from Ja'far ibn 'Amr ibn Umayyah al-Damri, from his father, that he saw the Messenger of Allah, peace and blessings be upon him, cutting meat from a shoulder [of a sheep] and eating from it, then he prayed and did not perform ablution.