1. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad from al-Husayn ibn Sa‘id from Ali ibn Asbat from al-Hakam ibn Miskin from certain persons of our people who has said the following.

“I asked abu ‘Abdallah , ‘When does the succeeding one (Imam) come to know of what the one preceding him knew?” The Imam said, “At the last minute of the life of the Imam before him.”