"Ta-Seen [These letters are one of the miracles of the Quran, and none but Allah (Alone) knows their meanings]. These are the Verses of the Quran, and (it is) a Book (that makes things) clear"
[Al-Naml 27:1]

Alif Laam Raa. A book which we have revealed to you (Muhammad) so that you may lead the people from out of the darknesses into the light by their Lord's leave, to the path of the Almighty, the Praiseworthy.
[Ibrahim 14:1]

" And indeed, We have bestowed upon you seven of al-Mathaani (the seven repeatedly recited verses, i.e. Soorat al-Faatihah) and the Grand Quran. "
[Al-Hijr 15:87]

" That (this) is indeed an honourable recital (the Noble Quran). "
[Al-Waaqiaah 56:77]

"Then High above all be Allah, the True King. And be not in haste (O Muhammad) with the Quran before its revelation is completed to you, and say: "My Lord! Increase me in knowledge."
[Ta-Ha 20:114]