Islam (called the "sunnah", composed of accounts called "hadith") of Muhammad ( 570–8 June 632 CE). Muslims believe that Islam is the complete and universal version of a primordial faith that was revealed many times before through prophets including Adam, Abraham, Moses and Jesus. Muslims consider the Quran to be the unaltered and final revelation of God. Like other Abrahamic religions, Islam also teaches a final judgment with the righteous rewarded paradise and unrighteous punished in hell. Religious concepts and practices include the Five Pillars of Islam, which are obligatory acts of worship, and following Islamic law ("sharia"), which touches on
History of slavery in the Muslim world a way of expiating sins. Many early converts to Islam, such as Bilal ibn Rabah al-Habashi, were former slaves. In theory, slavery in Islamic law does not have a racial or color component, although this has not always been the case in practice. In 1990, the Cairo Declaration on Human Rights in Islam declared that "no one has the right to enslave" another human being. Many slaves were often imported from outside the Muslim world. Bernard Lewis maintains that though slaves often suffered on the way before reaching their destination, they received good treatment and some degree of acceptance as