(5) Muhammad bin Hammam narrated from Hameed bin Ziyad from al-Hasan bin Muhammad bin Suma’a from Ahmad bin al-Hasan bin Muhammad al-Maythami from Muhammad bin Iss’haq that his father had said: “I came to Abu Abdullah as-Sadiq and asked him who the imam would be after him. He said to me: “He is the keeper of the lamb.” His son Musa (al-Kadhim), who was a little boy then, was in a corner of the house with a lamb. He said to the lamb: “Prostrate yourself before Allah, Who has created you!”