2-22 Muhammad ibn Ali Majiluyih - may God be pleased with him - narrated that his uncle Muhammad ibn Abil Qasim quoted on the authority of Ahmad ibn Aba Abdullah al-Barqy, on the authority of his father Muhammad ibn Khalid, on the authority of Muhammad ibn Abi Umayr who linked it up to Aba Abdullah as-Sadiq (MGB),

“The people are in two groups: knowledgeable ones and those acquiring knowledge. The rest of the people are like flies subject to the wind and such people will be thrown into the Fire.”