973 — Al-Hasan ibn Uthman informed us: Ahmad ibn Hamdan informed us: Bishr narrated to us: Mu'awiyah narrated to us: Abu Ishaq narrated to us, from Sufyan, from Mansur, from Mujahid, regarding His saying, “And We have recorded everything in a clear register” [Ya-Sin: 12]. He said: “In the Mother of the Book.”