Islam ( Arabic : الإسلام, Al-Islam ) is a religion that believes in one god . In Islam, [Allah] is the [Arabic language] word for [god] or 'the deity'. In Islam the [Qur'an] is named The Criterion, the criterion between right and wrong, good and evil. The Manual for Mankind All of its teachings and beliefs are written out in the Qur'an . People who follow Islam are called Muslims. They believe that the Qur'an was spoken to Muhammad by the angel Gabriel , and that it is the word of Allah. They view Muhammad as a Prophet . Other beliefs and rules about what Muslims should do come from reports of what Muhammad taught and did. Muslims believe Muhammad was Allah's last prophet. Muslims believe that there were many other prophets before Muhammad, including Adam , Noah , Abraham , Moses and Jesus . They believe that all these prophets were given messages of oneness of God by God to their communities at different times in history of mankind...