1-4 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Muhammad ibn Ahmad ibn Ali ibn al-Salt quoted on the authority of Ahmad ibn Muhammad ibn Khalid, on the authority of his father, on the authority of Hammad ibn Isa, on the authority of Rub’ay ibn Abdullah, on the authority of Fuzayl ibn Yasar that Aba Abdullah as-Sadiq (MGB) said, “The love of a man for his brethren is due to his love for religion.”