The holy Qur'an.
"Muslim" is a person who follows the religion "Islam".
Sarah Shahi was raised in a Muslim household but she has expressed that she is not a practicing Muslim and resonates more with spiritual beliefs rather than a specific religion.
Sunni Muslims as well as Shiite Muslim beliefs are the same as all Muslim beliefs. Refer to related question below for Muslim beliefs.
There are no differences in Muslim beliefs around the world .
The most important deed to attend for a Muslim (after basic beliefs) is offering Prayer (Salat) five times a day.
That is a basic tenet of belief in the Christian, Jewish and Muslim faiths. Other faiths, (notably Buddhism) have differing beliefs of life after death.
Muslim
Just about everyone.
The Muslims believe in ONE and the ONLY Almighty God. They believe in the last Prophet Muhammad (SAW). They believe in the same holy Book. They have the same basic beliefs. They are termed as Brothers by Allah Almighty and the holy Prophet (SAW). So, they are united and the Empire was united on these basic beliefs.
Muslim 90%, Christian 1%, indigenous beliefs 9%
Someone can promote a Muslim's beliefs by properly teaching them. Informing the population of the doctrines and ideas taught will promote Islamic teachings.
Madrassah is a place where Muslim students are tought Quran, and Islamic rules.