1 - Narrated to us Muhammad bin Hasan bin Ahmad bin Walid (r.a.): Narrated to us Muhammad bin Hasan al-Saffar from Yaqoob bin Yazid from Ayyub bin Nuh that he said: I said to ar-Reza :

“We hope that you will be the master of this affair and that may Allah, the Exalted restore power to you without taking up arms. You have been pledged allegiance to and coins have been struck in your name.” 

He said, “There is no one of us that letters come and go to him, is asked questions, pointed with fingers, and religious dues taken to, but he will be assassinated or he will die on his bed, until Allah, the Exalted, sends for this matter a man whose birth and place of growth will be hidden and he will not be hidden in his lineage.”