Surah An-Nahl Verse 103 - English Translation by Mufti Taqi Usmani
Surah An-Nahlوَلَقَدۡ نَعۡلَمُ أَنَّهُمۡ يَقُولُونَ إِنَّمَا يُعَلِّمُهُۥ بَشَرٞۗ لِّسَانُ ٱلَّذِي يُلۡحِدُونَ إِلَيۡهِ أَعۡجَمِيّٞ وَهَٰذَا لِسَانٌ عَرَبِيّٞ مُّبِينٌ
We know well that they say, “There is a man who teaches him.” The language of the one they refer to is non-Arabic while this is clear Arabic language