Shädbase – Tsundereligion
He’s actually pretty well correct. Judaism, Christianity, and Islam are all Abrahamic religions, based largely on the same dogma. Islam believes that the Quran is the most accurate version of the holy texts, Judaism uses the Old Testament, and Christianity uses the New Testament (or King James).
Islam believes Jesus was a prophet of God, but not his Son, only a man (though they too maintain the virgin birth of Mary). Judaism holds that Jesus was a Prophet, and the Son of God, but is not the Messiah. Christianity holds that Jesus was the Son of God, and the Messiah.
All refer to the same one God, though they have differing opinions on His Prophets and dictations.