O Muhammad (ibn Sinan)!’ I said, ’Yes.’ He said, ‘There will be a problem this year. Try not to get upset.’ Then he (s) became silent. He hit the ground with his hand. Then the Imam (s) looked at me and recited the Quranic verse ‘but God will leave to stray, those who do wrong. God doeth what He willeth.’ Muhammad (ibn Sinan) said, ‘May I be your ransom! What is the matter?’ He (s) said, ‘Whoever oppresses this son of mine, does not honor his rights and denies his Divine Leadership after me is like those who oppressed Ali ibn Abi-Talib (s), did not honor his rights and denied his Divine Leadership after the Prophet Muhammad (s).’ Then Muhammad (ibn Sinan) realized that the Imam (s) was informing him about his upcoming death, and the appointment of his son. Muhammad (ibn Sinan) said, ‘[I swear by God that if God extends my life, I will honor his right and accept his Divine Leadership and] I will bear witness that he will be the Almighty God’s witness for the creatures after you, and the inviter to His Religion.’ The Imam (s) said, ‘O Muhammad (ibn Sinan)! God will extend your life, and you will invite the people to accept his Divine Leadership, and the Divine Leadership of the Imam that will come after him.’ Muhammad (ibn Sinan) said, ‘O May I be your ransom! Who is it?’ He (s) said, ‘His son Muhammad. ’ Muhammad (ibn Sinan) said, ‘I accept.’ He (s) said, ‘Yes. I had found you to be thisway in the Commander of the Faithful’s (s) book. Among our followers you are brighter than lightening in the darkness of night.’ The Imam (s) then added, ‘O Muhammad (ibn Sinan)! Indeed Mufadhdhal has been my companion, and a source of my comfort. You are going to be their companion (Imam Al-Ridha’s (s) and Imam Al-Jawad’s (s) companion) and their source of comfort. It is forbidden for the Fire to ever touch you.’”