Rayyan b. Salt narrates:
I heard Ali b. Musa Al-Reza say:
I heard Musa b. Jaafar say:
I heard Jaafar b. Mohammad say:
I heard Mohammad b. Ali say:
I heard Ali b. Husain say:
I heard Husain b. Ali say:
I heard Ali, the Commander of the Believers say:
I heard the Messenger of Allah say:
I heard Jibraeel say:
I heard Allah say:

Ali b. Abi Talib is My decisive proof on My creatures. He is My light in My land and he is the trustworthy caretaker of My knowledge. I will not allow those who know him to enter Hell, even if they disobey Me. And I will not allow those who deny him to enter Paradise, even if they obey Me.
Ghaayah al-Maraam p 512 Behaar al-Anwaar v 27 p 116