Quran 12:2 from Surah Yusuf on Divine Marvels.
إِنَّآ أَنزَلۡنَٰهُ قُرۡءَٰنًا عَرَبِيّٗا لَّعَلَّكُمۡ تَعۡقِلُونَ
English translation: Indeed, We We have sent it down (as) a Quran in Arabic (as) a Quran in Arabic so that you may understand
Transliteration: inna anzalnahu qur'anan arabiyyan la'allakum ta'qiluna