وَلَوۡ جَعَلۡنٰهُ قُرۡاٰنًا اَعۡجَمِيًّا لَّقَالُوۡا لَوۡلَا فُصِّلَتۡ اٰيٰتُهٗؕ ءَاَۙعۡجَمِيٌّ وَّعَرَبِيٌّؕ قُلۡ هُوَ لِلَّذِيۡنَ اٰمَنُوۡا هُدًي وَّشِفَآءٌؕ وَالَّذِيۡنَ لَا يُؤۡمِنُوۡنَ فِيۡ٘ اٰذَانِهِمۡ وَقۡرٌ وَّهُوَ عَلَيۡهِمۡ عَمًيؕ اُولٰٓئِكَ يُنَادَوۡنَ مِنۡ مَّكَانٍۭ بَعِيۡدٍࣖ‏

And if We had made it a non-Arabic Qur'an, they would have said, "Why are its verses not explained in detail [in our language]? Is it a foreign [recitation] and an Arab [messenger]?" Say, "It is, for those who believe, a guidance and cure." And those who do not believe - in their ears is deafness, and it is upon them blindness. Those are being called from a distant place