Abrahamic religions teachings of Quran are presented as the direct revelation and words of Allah. Islam (meaning "submission", in the sense of submission to God) is universal (membership is open to anyone); like Judaism, it has a strictly unitary conception of God, called "tawhid", or "strict" or "simple" monotheism. Historically, the Abrahamic religions have been considered to be Judaism, Christianity and Islam. Some of this is due to the age and larger size of these three. The other, similar religions were seen as either too new to judge as being truly in the same class, or too small to be of significance
Islam and other religions outcry on the perceived attack on their beliefs. As for sects within Islam, history shows a variable pattern. Various sects became intolerant when gaining favour with the rulers, and often work to oppress or eliminate rival sects, for example, the contemporary persecution of Muslim minorities in Saudi Arabia. Sectarian strife between Shia and Sunni inhabitants of Baghdad is well known through history. The 14th century Sufi saint Abd al-Karim al-Jili stated, all religions could be summed up to principle religions and actually worship Allah in their own way: Although there are different ways to worship God, those who do not