3. `Ali ibn Ahmad ibn Muhammad `Imran al-Daqqaq said: Muhammad ibn Ja`far al-Asadi said: Musa ibn `Imran, on the authority of al-Husayn ibn Yazid, on the authority of Muhammad ibn Abu `Umayr, on the authority of Hisham ibn al-Hakam that Abu `Abd Allah al-Sadiq said: “The Knowledge (of Allah) is part of His Perfection.”