Indeed, We have sent it down as an Arabic Qur'an that you might understand.
[12:2]
Indeed, this Qur'an guides to that which is most suitable…
[17:9]
And We have certainly made the Qur'an easy for remembrance, so is there any who will remember?
[54:17]
… and recite the Qur'an with measured recitation.
[73:4]