5. [5/286] Rijal al-Kashshi: Muhammad b. Masud from Muhammad b. Nusayr from Muhammad b. Isa from Abd al-Aziz b. al-Muhtadi who said: I said to Abi al-Hasan al-Ridha عليه السلام: May I be made your ransom - I cannot always reach you to ask you all that which I need from the teachings of my religion, is Yunus b. Abd al-Rahman Thiqa (trustworthy) and can I take from him what I need from the teachings of my religion? He said: Yes.