Quran 17:106 from Surah Al-Israa on Divine Marvels.
وَقُرۡءَانٗا فَرَقۡنَٰهُ لِتَقۡرَأَهُۥ عَلَى ٱلنَّاسِ عَلَىٰ مُكۡثٖ وَنَزَّلۡنَٰهُ تَنزِيلٗا
English translation: And the Quran We have divided that you might recite it to the people at intervals And We have revealed it (in) stages
Transliteration: waqur'anan faraqnahu litaqra-ahu ala al-nasi ala muk'thin wanazzalnahu tanzilan