(6) Ahmad bin Muhammad bin Sa’eed bin Oqda narrated from Ahmad bin Yousuf bin Ya’qoob from Isma’eel bin Mihran from al-Husayn bin Ali bin Abu Hamza from his father that Ya’qoob bin Shu’ayb had said: “I heard Abu Abdullah as-Sadiq saying: No, by Allah! Allah does not leave this matter aside unless He specifies ones, who will undertake it until the Day of Resurrection.”