At the time of Imam al-Sādiq some of the Imam’s close companions like, Muhammad bin No‘mān, Hishām bin Sālim, and Tayyār were in the presence of the Imam. Among them was also a young and a very clever man who was named Hishām bin al-Hakam. The Imam, addressed Hishām bin al-Hakam and said to him, “O Hishām! Don’t you inform us about what you did with ‘Amr bin ‘Ubaid and …