(1) Ahmad bin Muhammad bin Sa’eed narrated from Abu Abdullah Ja’far bin Abdullah al-Muhammadi from al-Hasan bin Ali bin Fadhdhal from Safwan bin Yahya that Is’haq bin Ammar as-Sayrafi had said: “Once my brother Isma’eel bin Ammar described his faith and beliefs to Abu Abdullah as-Sadiq by saying: “I witness that there is no god but Allah and that Muhammad is the messenger of Allah…” Then he declared his faith in the imams, one after the other until he reached Imam Abu Abdullah as-Sadiq and then he said: “…and I witness that Issma’eel (Imam as-Sadiq’s son) is the imam after you.” Abu Abdullah as-Sadiq said: “No, Issma’eel is not the imam after me.”