This document provides an overview of key beliefs and practices in Islam. It discusses that Islam is a monotheistic faith followed by over 1.5 billion people worldwide. The five pillars of Islam are the framework of the Muslim life and consist of the declaration of faith, prayer, concern for the needy, self-purification, and pilgrimage to Mecca. Muslims consider Jesus as one of the greatest prophets and messengers of God, though they do not believe he was divine. The Quran and teachings of Muhammad known as the Hadith are the primary sacred sources of Islamic scripture and law.