And indeed We know that they (polytheists and pagans) say: "It is only a human being who teaches him (Muhammad SAW)." The tongue of the man they refer to is foreign, while this (the Quran) is a clear Arabic tongue.
مى‌دانيم كه مى‌گويند: اين قرآن را بشرى به او مى‌آموزد. زبان كسى كه به او نسبت مى‌كنند عجمى است، حال آنكه اين زبان عربى روشنى است.