76:23
إِنَّا نَحْنُ نَزَّلْنَا عَلَيْكَ ٱلْقُرْءَانَ تَنزِيلًا
innā naḥnu nazzalnā ʿalayka l-qur'āna tanzīlan
We Ourself have sent down this Quran to you [Prophet] in gradual revelation.
Verily, it is We Who have sent down the Qur’ân to you (O Muhammad صلى الله عليه وسلم) by stages.