I'jaz

In Islam, ''’i‘jāz'' () or inimitability of the Qur’ān is the doctrine which holds that the Qur’ān has a miraculous quality, both in content and in form, that no human speech can match. According to this doctrine the Qur'an is a miracle and its inimitability is the proof granted to Muhammad (The Prophet of Islam) in authentication of his prophetic status. It serves the dual purpose of proving the authenticity of its divineness as being a source from the creator as well as proving the genuineness of Muhammad's (The Prophet of Islam) prophethood, an unlettered man who could neither read nor write, to whom it was revealed. Provided by Wikipedia