Muslim historians and scholars describe the history of the Qur’an and the efforts of Muslims since the early days of Islam to preserve the Qur’an in its original form. During the Prophet Muhammad’s life, scores of people memorized, recited, and wrote down the Qur’an. Shortly after the death of the Prophet Muhammad, the Qur’an was compiled and transcribed by experts who carefully verified every verse by matching it against both the written word and memorized verses. The completed transcript was then copied and distributed across the growing Islamic empire. These copies served as the basis for all copies of the Qur’an written or printed since.
While translations of the Qur’an may vary, all copies of the Qur’an in Arabic contain nearly identical language. This standardization, coupled with the millions of people who continue to memorize the entire Qur’an, ensures the text’s authenticity.