Islam is one of the world's major religions, founded in the 7th century in the Arabian Peninsula by the Prophet Muhammad. It is a monotheistic faith centered around the belief in one God, known in Arabic as Allah. The core belief of Islam is encapsulated in the Shahada, the declaration of faith: "There is no god but Allah, and Muhammad is His messenger."
Muslims, the followers of Islam, believe that the Quran is the final and complete revelation of God's will, as revealed to Muhammad through the Archangel Gabriel. The Quran is written in Arabic and is considered the literal word of God. Alongside the Quran, the Hadith—collections of sayings, actions, and approvals of Muhammad—also guide Muslim practice and understanding.
Islamic practices are based on the Five Pillars of Islam, which are the core acts of worship and the foundation of a Muslim's faith and practice: