Inviolability and superiority of the Qur'an

إِنَّ ٱلَّذِينَ كَفَرُوا۟ بِٱلذِّكْرِ لَمَّا جَآءَهُمْ ۖ وَإِنَّهُۥ لَكِتَـٰبٌ عَزِيزٌ

Indeed, those who disbelieve in the message [i.e., the Qur’ān] after it has come to them... And indeed, it is a mighty Book.