How does the Jewish faith differ from mainstream Christianity?

Answer:
The primary differences between Judaism and Christianity are: Judaism's belief/practice is based on serving God by keeping His commandments (mitzvot) as given in the Torah (Pentateuch) and expounded and adapted by rabbinic interpretation. Christianity's belief/practice is based on atonement through the blood of Jesus, who is the Divine "Son of God" and keeping the teachings of Jesus and the apostles found in the New Testament.

Judaism doesn't believe in "original sin," the divinity of Jesus, or Jesus as messiah.

Christianity doesn't believe in salvation by keeping the commandments in Torah ("works righteousness"). Only those who accept Jesus divinity and atonement are saved.
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