4-29 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Ali ibn Musa ibn Ja’far ibn Abi Ja’far al-Kumaydany quoted Ahmad ibn Muhammad ibn Isa, on the authority of Muhammad ibn Abi Umayr, on the authority of Abdullah ibn Sin’an, on the authority of Aba Abdullah as-Sadiq (MGB),

“Four things are incumbent to do for anyone who has the following three characteristics: one who doesn’t lie to the people when he talks; one who doesn’t oppress the people in his dealings with them; one who doesn’t act opposite to what he promises. Such a person has perfect chivalry and justice. It is incumbent support his justness; to act like a brother with him; support his justness; not gossip about him; treat him like a brother.”