Muslim version of a primordial faith that has been revealed before through many prophets including Abraham, Ishmael, Isaac, Moses, and Jesus; that these previous messages and revelations have been partially changed or corrupted over time ("tahrif") and that the Qur'an is the final unaltered revelation from God (Final Testament). The religious practices of Muslims are enumerated in the Five Pillars of Islam: the declaration of faith ("shahadah"), daily prayers ("salat"), fasting during the month of Ramadan ("sawm"), almsgiving ("zakat"), and the pilgrimage to Mecca ("hajj") at least once in a lifetime. To become a Muslim and to convert to Islam, it
Sunni Islam principal articles of faith known as the six pillars of "iman" (Arabic for "faith"), which are believed to be essential. These are These six articles are what "all" present-day Sunnis agree on, from those who adhere to traditional Sunnism to those who adhere to latter-day movements. Additionally, classical Sunni Islam also outlined numerous other cardinal doctrines from the eighth-century onwards in the form of organized creeds such as the Creed of Tahawi, in order to codify what constituted "Sunni orthodoxy." While none of these creeds gained the importance attributed to the Nicene Creed in Christianity, primarily because ecumenical councils never