Jesus spoke to a Samaritan woman in Sychar about eternal life.  She wanted to talk about the correct place to worship God.  Was it on Mount Gerezim as the Samaritans believe or in Jerusalem as believed by the Jews.  Jesus answered her plainly, “Ye worship ye know not what: we know what we worship: for salvation is of the Jews” (John 4:22Ye worship ye know not what: we know what we worship: for salvation is of the Jews.
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So, there it is plain and simple.  God’s way of salvation came to man through the Jews.  Jesus came to fulfill the law and not to destroy it (Matthew 5:17Think not that I am come to destroy the law, or the prophets: I am not come to destroy, but to fulfil.
See All...).  Despite what some have taught, Jesus did not oppose the teaching of the Tenach.  He fulfilled it!  God sent salvation to man through the Jewish people.