* as to the legitimate successors of Mohammed;
* the Shiah observe the ceremonies of the month of fasting, Muharram, in commemoration of Ali, Hasan, Husain, and Bibi Fatimah, whilst the Sunnites only regard the tenth day of that month as sacred, and as being the day on which God created Adam and Eve;
* the Shiah permit temporary marriages, contracted for a certain sum of money, whilst the Sunnites maintain that Mohammed forbade them;
* the Shi'ites include the Fire-Worshippers among the "People of the Book", whilst the Sunnites acknowledge only Jews, Christians, and Moslems as such;
* several minor differences in the ceremonies of prayer and ablution;
* the Shiah admit a principle of religious compromise in order to escape persecution and death, whilst the Sunni regard this as apostasy.
* prayer, ablutions, and purifications;
* alms:
* fasting; and
* pilgrimage to Mecca.