The Reason Why There is a Need for the Imam عليه السلام

Narrated to us my father; and Muhammad bin Hasan - may Allah be pleased with them -they said: Narrated to us Saad bin Abdullah; and Abdullah bin Ja’far, they said: Narrated to us Muhammad bin Isa and Muhammad bin Husain bin Abil Khattab from Abi Abdullah Momin and Hasan bin Ali bin Faddal from Abi Harasa from Abi Ja’far عليه السلام that he said: “If the Imam is taken away from the earth it will sink along with its inhabitants like the sea sinks along with those in it.”