1. We were told by Muhammed bin Ali Majilawayh, may Allah grant him mercy, that he said: I was told by my paternal uncle, Muhammed bin Abi’l-Qasim, from Muhammed bin Ali al-Kufi, that he said: I was told by Musa bin Sa’dan, the Wheat Seller, from Abdullah bin Qasim, from Abdullah bin Maskan, from Muhammed bin Muslim, that he said: I asked Abu Abdillah, peace be upon him, about the saying of Allah, Exalted and Glorious is He: «He knows the secret and what is more hidden» (20:7). He said: The secret is what you conceal in yourself, and what is more hidden is what comes to your mind and then which you forget.