23rd Ayah from Surah Al Insan or Ad Dahar
Indeed, it is We who have sent down to you, [O Muhammad], the Qur'an progressively.
We Ourself have sent down this Quran to you [Prophet] in gradual revelation.
Verily! It is We Who have sent down the Quran to you (O Muhammad SAW) by stages.
Indeed we have revealed to you the Qur’ān through a gradual process.
Lo! We, even We, have revealed unto thee the Qur'an, a revelation;
It is We Who have sent down the Qur'an to thee by stages.