﴿ إِنَّهُۥ لَقَوْلُ رَسُولٍۢ كَرِيمٍۢ ﴾

“Behold, this [Qur’an] is indeed the [inspired] word of a noble apostle,”

(That it) i.e. the Qur'an (is indeed the speech of an illustrious messenger) He says: the Qur'an is the Word of Allah which Gabriel brought down to an illustrious messenger, i.e. Muhammad (pbuh).