The Quran is the principal source of Islamic law. The Sharia ( the way to the watering hole) the body and the content of Islamic law. Which is traditionally divided into ibadat (religious duties), mamalat (obligations to the other people). The word Muslim means one who submits to the will of God. A Muslim is one who freely and willingly accepts the supreme power of God and strives to organize his life in total accord with the teachings of God. The schools of Muslim law are Shia, Sunni and Motazial.