Al-Isra 17:106

وَقُرۡءَانٗا فَرَقۡنَٰهُ لِتَقۡرَأَهُۥ عَلَى ٱلنَّاسِ عَلَىٰ مُكۡثٖ وَنَزَّلۡنَٰهُ تَنزِيلٗا 106

And [it is] a Qur'an which We have separated [by intervals] that you might recite it to the people over a prolonged period. And We have sent it down progressively