Attributes of the Scholar

4. [4/26] al-Kafi: Muhammad b. Yahya from Ahmad b. Muhammad b. Isa AND Muhammad b. Ismail from al-Fadhl b. Shadhan all together from Safwan b. Yahya from Abi al-Hasan al-Ridha عليه السلام who said: From among the signs of understanding are forbearance and silence.