وَقُرْءَانًا فَرَقْنَٰهُ لِتَقْرَأَهُۥ عَلَى ٱلنَّاسِ عَلَىٰ مُكْثٍ وَنَزَّلْنَٰهُ تَنزِيلًا

And it is a Quran which We have revealed in portions so that you may read it to the people by slow degrees, and We have revealed it, revealing in portions.