9. Ahmad ibn Muhammad ibn Yayha al-`Attar said, on the authority of his father, on the authority of Ahmad ibn Muhammad ibn `Isa, on the authority of Ibn Fuddal, on the authority of Dawud ibn Farqad, on the authority of Abu al-Hasan Zakariyya ibn Yahya that Abu `Abd Allah al-Sadiq said: “Whatever of His Knowledge Allah has concealed from the servants is unburdened from them.”