3-73 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Ali ibn Ibrahim ibn Hashim quoted his father on the authority of Muhammad ibn Abi Umayr, who linked it up through a chain of narrators to Aba Abdullah as-Sadiq (MGB),

“One who divulges what others have said has killed three people. He has killed himself. He has killed the one to whom he divulges what is said, and one whose sayings he divulges.”