Quran 41:44 from Surah Fussilat on Divine Marvels.
وَلَوۡ جَعَلۡنَٰهُ قُرۡءَانًا أَعۡجَمِيّٗا لَّقَالُواْ لَوۡلَا فُصِّلَتۡ ءَايَٰتُهُۥٓۖ ءَا۬عۡجَمِيّٞ وَعَرَبِيّٞۗ قُلۡ هُوَ لِلَّذِينَ ءَامَنُواْ هُدٗى وَشِفَآءٞۚ وَٱلَّذِينَ لَا يُؤۡمِنُونَ فِيٓ ءَاذَانِهِمۡ وَقۡرٞ وَهُوَ عَلَيۡهِمۡ عَمًىۚ أُوْلَٰٓئِكَ يُنَادَوۡنَ مِن مَّكَانِۭ بَعِيدٖ
English translation: And if We (had) made it a Quran (in) a foreign (language) they (would have) said Why not are explained in detail its verses (Is it) a foreign (language) and an Arab Say It (is) for those who believe a guidance and a healing And those who (do) not believe in their ears (is) deafness and it (is) for them blindness Those are being called from a place far
Transliteration: walaw ja'alnahu qur'anan a'jamiyyan laqalu lawla fussilat ayatuhu a'jamiyyun wa'arabiyyun qul huwa lilladhina amanu hudan washifaon wa-alladhina la yu'minuna fi adhanihim waqrun wahuwa alayhim aman ulaika yunadawna min makanin ba'idin