Surah Al-Hijr, ayah 9

15:9

إِنَّا نَحۡنُ نَزَّلۡنَا ٱلذِّكۡرَ وَإِنَّا لَهُۥ لَحَٰفِظُونَ ٩

Innā nahnu nazzalnadh-dhikra wa innā lahū lahāfizūn

Indeed, it is We who sent down the message [i.e., the Qur’ān], and indeed, We will be its guardian.