וְאֶת־שַׁבְּתוֹתַ֖י קַדֵּ֑שׁוּ וְהָי֤וּ לְאוֹת֙ בֵּינִ֣י וּבֵֽינֵיכֶ֔ם לָדַ֕עַת כִּ֛י אֲנִ֥י יְהוָ֖ה אֱלֹהֵיכֶֽם׃
and hallow My sabbaths, and they shall be a sign between Me and you, that ye may know that I am the LORD your God.
Read commentary on Ezekiel 20:20, verse-by-verse classical interpretation.