`Ali b. al-Husayn b. Shadhuwayh al-Mu’addab narrated to us. He said: Muhammad b. `Abdullah b. Ja`far narrated to us. He said: My father narrated to me. He said: Harun b. Muslim narrated to me from Mas`ada b. Sadaqa from al-Sadiq Ja`far b. Muhammad from his father from his forefathers . He said:

Amir al-Mu’minin said: No thing has been added to something that is more virtuous than forbearance added to knowledge.