Surah An-Nahl Verse 103 - English Translation by Dr Munir Munshey
Surah An-Nahlوَلَقَدۡ نَعۡلَمُ أَنَّهُمۡ يَقُولُونَ إِنَّمَا يُعَلِّمُهُۥ بَشَرٞۗ لِّسَانُ ٱلَّذِي يُلۡحِدُونَ إِلَيۡهِ أَعۡجَمِيّٞ وَهَٰذَا لِسَانٌ عَرَبِيّٞ مُّبِينٌ
And surely, We know what they allege! That a man has taught him (Mohammed, SAW)! The language of the one they allude to, however, is not Arabic, while this (Qur´an) is in precise and perfect Arabic