Christianity takes the old and new testaments as the bible, and Judaism only takes the old and new testaments as the bible. Christianity and Judaism and derived by the old testament religion, common believe monotheism, creationism, the old testament prophets, difference between Christianity and Judaism, Christianity believes that Jesus is the old testament prophecies of the messiah, the jews do not believe in Jesus as the old testament prophecies of the messiah, Judaism think old testament prophecies of the messiah should be a able to the jews from foreigner rule out under the jewish prophet, priest, the king.