Ahmad b. Muhammad narrated to us. He said: My father narrated to us from Muhammad b. `Abd al-Jabbar from Abi Ahmad Muhammad b. Ziyad al-Azdi from Aban b. `Uthman from Thabit b. Dinar from the Master of Worshipers `Ali b. al-Husayn from the Master of Martyrs al-Husayn b. `Ali from the Master of Deputies Amir al-Mu’minin `Ali b. Abi Talib . He said: The Messenger of Allah (s) said:

The Imams after me are twelve. You are the first of them, O `Ali. The last of them is the Qa’im, by whose hands Allah will conquer the East of the Earth and its West.