Al-Qiyamah 75:16

La tuharrik bihi lisanakalitaAAjala bih

Move not your tongue with it, [O Muḥammad], to hasten with it [i.e., recitation of the Qur’ān].

(O Prophet,) do not move your tongue (during revelation) for (reciting) it (the Qur’ān) to receive it in hurry.