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
Messianic Judaism superficial similarities to Messianic Judaism, such as their belief in the ongoing validity of the Mosaic Covenant. While much of the Two House teaching is based on interpretations of Biblical prophecy, the biggest disagreements are due to inability to identify the genealogy of the Lost Tribes. Organizations such as the Messianic Jewish Alliance of America and Union of Messianic Jewish Congregations have explicitly opposed the Two House teaching. Historically, Christianity has taught supersessionism (replacement theology), which implies or outright states that Christianity has superseded Judaism, and that the Mosaic Covenant of the Hebrew Bible has been superseded by the New