وَقُرْآنًا فَرَقْنَاهُ لِتَقْرَأَهُ عَلَى النَّاسِ عَلَىٰ مُكْثٍ وَنَزَّلْنَاهُ تَنْزِيلًا ١٠٦
(It is) a Quran which We have divided (into parts from time to time), in order that thou mightest recite it to men at intervals: We have revealed it by stages.