Surah Al-Qiyamah 75:16

لَا تُحَرِّكْ بِهِۦ لِسَانَكَ لِتَعْجَلَ بِهِۦٓ

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

Translation: Saheeh International

Tafsir

God exalted be He says to His Prophet Do not move your tongue with it with the Qur’ān before Gabriel is through with reciting it to hasten it fearing to lose it.

Excerpt from Tafsir al-Jalalayn, commentary on 75:16, via Quran.com. The reader has the full commentary and 9 more tafsirs.