Shiavault - a Vault of Shia Islamic Books Uyun Akhbar Ar-Ridha Volume 2 Chapter 47: On Indications of the Divine Leadership of Ar-Ridha’ (a.s.) 47-1 Ahmad ibn Ziyad ibn Ja’far al-Hamadani - may God be pleased with him - narrated that Ali ibn Ibrahim ibn Hashem quoted on the authority of his father, on the authority of Umayr ibn Yazid, “I was with Abil Hassan Ar-Ridha’ (a.s.) when he (a.s.) talked about Muhammad ibn Ja’far ibn Muhammad (a.s.) and said, ‘I have made it incumbent upon myself not to live with him under the same roof.’ It occurred to me that the Imam (a.s.) advises us to establish close ties with our relations, but he says this about his own uncle!
The Imam (a.s.) looked at me and said, ‘This act is a good deed in itself. When he comes to see me and goes, he says things and the people believe what he says.