Original sentence: Christianity has a different form of the messiah, in which  God himself came in the flesh as Jesus, and became the deliverer of both Israel and of all mankind.Christians and Jews have disagreed about which of them has the truer conception of messiah from the time Christianity was born until now, often relying on different interpretations of various passages from the Old Testament or Tanach.Christians initially adopted the Jewish Septuagint as their scripture or Bible, and later also canonized the books of the New Testament.The modern Jewish picture of the messiah is a national one - the deliverer of Israel, and has significant differences from how Christians understand the term
Edited sentence: Christianity developed a new form of the messiah, in which Jesus became the son of God in a literal sense, and the saviour of all mankind.Monarchian controversy (need the "ism" form of this word...).The Jewish picture of the messiah is a national one - the deliverer of Israel, and has significant differences from how Christians understand the term