(1) CHAPTER. The Statement of Allah: “Move not your tongue concerning (the Quran, O Muhamamd ) to make haste therewith. (V.75:16)
Narrated Ibn `Abbas: The Prophet used to move his tongue when the divine Inspiration was being revealed to him. (Sufyan, a subnarrator, demonstrated (how the Prophet used to move his lips) and added. In order to memorize it. So Allah revealed: Move not your tongue concerning (the Qur'an) to make haste therewith. (75.16)