Islam's holy text is the Koran, which includes stories from the Torah and Bible. The five pillars of Islam are the core beliefs and practices, which include professing faith, prayer, charity, fasting, and pilgrimage to Mecca. Muhammad is considered a prophet in the Koran; according to Islamic tradition, he received revelations from God and spread the teachings of Islam. Mosques are places of worship for Muslims and important symbols include the Ka'bah shrine in Mecca and the minaret used to call people to prayer.