And We certainly know that they say, "It is only a human being who teaches the Prophet." The tongue of the one they refer to is foreign, and this Qur'an is [in] a clear Arabic language.
و هر آينه مى‌دانيم كه آنان مى‌گويند: آدميى به او مى‌آموزد زبان آن كس كه [اين قرآن را] به او نسبت مى‌دهند گنگ و نارساست و اين [قرآن‌] به زبان تازى روشن است.