H 185 - It is narrated from him from his father from Muhammad bin Isa from Hasan bin Ali Khazzaz from Umar bin Aban from Hasan bin Abi Hamza from his father from Imam Muhammad Baqir عليه السلام that he said: “O Abu Hamza, the earth does not remain devoid of a scholar from us, Ahle Bayt, who may point out if people commit excess in religion and if they are deficient. And Allah does not allow this scholar to leave the world till he has not left a successor from his progeny, who has the same knowledge.”