13. Muhammad ibn al-Hasan ibn Ahmad ibn al-Walid said: Muhammad ibn al-Hasan al-Saffar, on the authority of Muhammad ibn `Isa, on the authority of Ibn Abu `Umayr, on the authority of Hisham ibn al-Hakam, on the `Isa ibn Abu Mansur, on the authority of Jabir al-Ju`fi, that Abu Ja`far al-Baqir said: “Verily, Allah is Light as there is no darkness in Him, Allah is Knowledge as there is no ignorance in Him. And Allah is Life as there is no death in Him.”