There are many substantial and vital distinctions between Judaism and Christianity.   Of  course there are many similarities, primarily because Christianity emerged from Judaism.  However, the emergence was not a direct line. Christianity broke from Judaism, forming  a new religion, so it is misleading, however comfortable the thought might be, to  believe that the two religions are essentially the same, or to see Christianity as the  natural continuation of Judaism.   Judaism's central belief is that the people of all religions are children of God, and  therefore equal before God. All people have God's love, mercy, and help. In particular,  Judaism does not require that a person convert to Judaism in order to achieve  salvation. The only requirement for that, as understood by Jewish people, is to be  ethical. While Judaism accepts the worth of all people regardless of religion, it also  allows people who are not Jewish but who voluntarily wish to join the Jewish people to  do so.   God  Judaism insists on a notion of monotheism, the idea that there is one God. As Judaism  understands this idea, God cannot be made up of parts, even if those parts are  mysteriously united. The Christian notion of trinitarianism is that God is made up of God  the Father, God the Son, and God the Holy Spirit. Such a view, even if called  monotheistic because the three parts are, by divine mystery, only one God, is  incompatible with the Jewish view that such a division is not possible. The Jewish  revolutionary idea is that God is one. This idea allows for God's unity and uniqueness as  a creative force. Thus, for Jewish people, God is the creator of all that we like and all  that we don't. There is no evil force with an ability to create equal to God's. Judaism  sees Christianity's trinitarianism as a weakening of the idea of God's oneness. Jewish  people don't have a set group of beliefs about the nature of God; therefore, there is  considerable, and app...