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The Sabbath was ordained and sanctified by Yehova millennia before a Jew even existed.
Its not about “Jews,” It is about love and respect for Yehova.
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Yes, the Sabbath was sanctified before the Jews were known as a people, but the Jewish rules interpreting how to honor the Sabbath were not.
REALLY... so tell us who were given the Ten Commandments that sanctified the Sabbath?
/hint, they were JEWS....