at Ja'far [ibn Muhammad] (1), I knew that he was descended from the prophets” (2).
As for his statement, “He devoted himself to worship rather than leadership,” this is a contradiction on the part of the Imamiyya. According to them, the imamate (3) is a duty incumbent upon him (4), which he must undertake and whose burdens he must shoulder, since there was no imam in his time other than him. If assuming this momentous charge (5) were obligatory, [it would be] (6) more deserving of priority than devoting oneself to supererogatory acts of worship.
As for his statement that he (7) “is the one who disseminated the jurisprudence of the Imamiyya, true knowledge, and beliefs founded on certainty,” this necessarily entails one of two conclusions: either he introduced into the realm of knowledge something unknown to those before him, or those before him fell short (8) in disseminating the knowledge whose dissemination was obligatory [upon them] (9). Can any rational person doubt that the Prophet—may Allah bless him and grant him peace—made clear to his community