I said to Abi Abdillah عليه السلام – I am not with you at all times, and it is sometimes impossible to travel (i.e. to come to you from Kufah), and a man from among our companions comes and asks me – but I do not have everything regarding what he asks me about, he عليه السلام said: what prevents you from (going to) Muhammad bin Muslim al-Thaqafi – for he had heard from my father and had a most favorable position with him.