My father narrated to me. He said: Sa`d b. `Abdullah narrate to us from Ibrahim b. Hashim from Isma`il b. Marar from Yunus b. `Abd al-Rahman from `Umar b. Yazid. He said: I heard al-Sadiq Ja`far b. Muhammad say:

Fear Allah and betake to fulfilling trusts to those who have entrusted you. Even if the killer of Amir al-Mu’minin were to entrust something to me, I would fulfill the trust to him.