1-66 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Sa’ed ibn Abdullah quoted on the authority of Muhammad ibn al-Hussein ibn Abil-Khat’tab, on the authority of Safvan ibn Yahya, on the authority of Al-Sari ibn Khalid, on the authority of Aba Abdullah as-Sadiq (MGB) that God’s Prophet (MGB) said, “A hand on which there is an iron ring is not clean.”