سورة Az-Zukhruf 43:3

إِنَّا جَعَلْنَـٰهُ قُرْءَٰنًا عَرَبِيًّۭا لَّعَلَّكُمْ تَعْقِلُونَ ٣

Certainly, We have made it a Quran in Arabic so perhaps you will understand