أَفَلَا يَتَدَبَّرُونَ ٱلْقُرْءَانَ ۚ وَلَوْ كَانَ مِنْ عِندِ غَيْرِ ٱللَّهِ لَوَجَدُوا۟ فِيهِ ٱخْتِلَـٰفًۭا كَثِيرًۭا ٨٢
Do they not then reflect on the Quran? Had it been from anyone other than Allah, they would have certainly found in it many inconsistencies