This dissertation argues that the Qur’an Muslims possess today has retained its essential features since first uttered by the Prophet. There is evidence from the continuous oral transmission of the Qur’an of the agreed upon recitations (qirā’āt), recensions (riwāyāt), and modes (ṭuruq) to substantiate this claim. The unchanging methods of orthoepy, through a link-transmission system, has preserved the Qur’an until today.