this koran could not have been forged by other than allah. it confirms what was before it a distinguishing book in which there is no doubt from the lord of all the worlds.
وما كان هذا القرآن أن يفترى من دون الله ولكن تصديق الذي بين يديه وتفصيل الكتاب لا ريب فيه من رب العالمين