All Muslims, at least once in their…
532 CE to 675 CE
Muhammad institutes this requirement, modifying pre-Islamic custom, to emphasize sites associated with God and Abraham (Ibrahim), founder of monotheism and father of the Arabs through his son, Ismail.
The lesser pillars of the faith, which all Muslims share, are jihad, or the permanent struggle for the triumph of the word of God on earth, and the requirement to do good works and to avoid all evil thoughts, words, and deeds.
In addition, Muslims agree on certain basic principles of faith based on the teachings of the Prophet Muhammad: there is one God, who is a unitary divine being in contrast to the trinitarian belief of Christians; Muhammad, the last of a line of prophets beginning with Abraham and including Moses and Jesus, was chosen by God to present God's message to humanity; and there is a general resurrection on the last, or judgment, day.
Muhammad holds both spiritual and temporal leadership of the Muslim community during his lifetime.