The Moslem Faith is the religious belief system of Islam, which is a monotheistic faith based on the teachings of the prophet Muhammad. It is one of the world's major religions and is practiced by more than 1.8 billion people worldwide. The core beliefs of Islam include the belief in one God, the acceptance of Muhammad as the final prophet, and the Quran as the holy book. Islamic law, or Sharia, is also an important part of the faith, and it governs many aspects of daily life for Muslims.