The Quran (sometimes spelled Qur’an or Koran) is thought the most powerful holy book among Muslims.
It contains some essential information that is seen in the Hebrew Bible as well as revelations that were given to Muhammad. The text is considered the sacred word of God and supersedes any previous writings.
Most Muslims consider that Muhammad’s scribes wrote down his words, which became the Quran. (Muhammad himself was never taught to read or write.)
The book is written with Allah as the first person, speaking through Gabriel to Muhammad. It includes 114 chapters, which are called surahs.
Scholars consider the Quran was compiled shortly after Muhammad’s death, under the guidance of Caliph Abu Bakr.