﴿وَلَقَدْ نَعْلَمُ أَنَّهُمْ يَقُولُونَ إِنَّمَا يُعَلِّمُهُ بَشَرٌ ۗ لِسَانُ الَّذِي يُلْحِدُونَ إِلَيْهِ أَعْجَمِيٌّ وَهَٰذَا لِسَانٌ عَرَبِيٌّ مُبِينٌ﴾
(103) And We certainly know that they say, "It is only a human being who teaches him [i.e., the Prophet (ﷺ)]. " The tongue of the one they refer to is foreign,[715] and this [recitation, i.e., Qur’ān] is [in] a clear Arabic language.