وَلَقَدْ نَعْلَمُ اَنَّہُمْ يَقُوْلُوْنَ اِنَّمَا يُعَلِّمُہٗ بَشَرٌ۰ۭ لِسَانُ الَّذِيْ يُلْحِدُوْنَ اِلَيْہِ اَعْجَمِيٌّ وَّھٰذَا لِسَانٌ عَرَبِيٌّ مُّبِيْنٌ۱۰۳
Walaqad naAAlamu annahum yaqooloona innama yuAAallimuhu basharun lisanu allathee yulhidoona ilayhi aAAjamiyyun wahatha lisanun AAarabiyyun mubeenun
Yet We know what they say: "It is only a man who instructs him." The speech of the man they imply is obscure while this is clear Arabic.