Arabic
We have revealed it as an Arabic Quran so that you may understand.
12:2Lo! We have revealed it, a Lecture in Arabic, that ye may understand.
20:113Thus we have revealed it as a Lecture in Arabic, and have displayed therein certain threats, that peradventure they may keep from evil or that it may cause them to take heed.
43:3Lo! We have appointed it a Lecture, in Arabic that haply ye may understand.