7. Ali ibn Muhammad has narrated from Sahl ibn Ziyad from al-Hassan ibn Mahbub from abu ’Usama and Ali ibn Ibrahim from his father from al-Hassan ibn Mahbub from abu ’Usama and Hisham ibn salim from abu Hamza from abu Ishaq from those reliable among the companions of Amir al-Mu’minin (a.s.) who has said the following.
“O Lord. You do not leave your earth without a person who would represent Your authority among the people.”