Keep the Sabbath day to sanctify it, as the Lord your God commanded you. יבשָׁמ֛וֹר אֶת־י֥וֹם הַשַּׁבָּ֖ת לְקַדְּשׁ֑וֹ כַּֽאֲשֶׁ֥ר צִוְּךָ֖ יְהֹוָ֥ה אֱלֹהֶֽיךָ: Six days may you work, and perform all your labor, יגשֵׁ֤שֶׁת יָמִים֙ תַּֽעֲבֹ֔ד וְעָשִׂ֖יתָ כָּל־מְלַאכְתֶּֽךָ: but the seventh day is a Sabbath to the Lord your God; you shall perform no labor, neither you, your son, your daughter, your manservant, your maidservant, your ox, your donkey, any of your livestock, nor the stranger who is within your cities, in order that your manservant and your maidservant may rest like you. ידוְיוֹם֙ הַשְּׁבִיעִ֔י שַׁבָּ֖ת לַֽיהֹוָ֣ה אֱלֹהֶ֑יךָ לֹא־תַֽעֲשֶׂ֨ה כָל־מְלָאכָ֜ה אַתָּ֣ה | וּבִנְךָֽ־וּבִתֶּ֣ךָ וְעַבְדְּךָֽ־וַֽאֲמָתֶ֗ךָ וְשֽׁוֹרְךָ֤ וַֽחֲמֹֽרְךָ֙ וְכָל־בְּהֶמְתֶּ֔ךָ וְגֵֽרְךָ֙ אֲשֶׁ֣ר בִּשְׁעָרֶ֔יךָ לְמַ֗עַן יָנ֛וּחַ עַבְדְּךָ֥ וַֽאֲמָֽתְךָ֖ כָּמֽוֹךָ: And you shall remember that you were a slave in the land of Egypt, and that the Lord your God took you out from there with a strong hand and with an outstretched arm; therefore, the Lord, your God, commanded you to observe the Sabbath day. טווְזָֽכַרְתָּ֗ כִּ֣י עֶ֤בֶד הָיִ֨יתָ֙ בְּאֶ֣רֶץ מִצְרַ֔יִם וַיֹּצִ֨אֲךָ֜ יְהֹוָ֤ה אֱלֹהֶ֨יךָ֙ מִשָּׁ֔ם בְּיָ֥ד חֲזָקָ֖ה וּבִזְרֹ֣עַ נְטוּיָ֑ה עַל־כֵּ֗ן צִוְּךָ֙ יְהֹוָ֣ה אֱלֹהֶ֔יךָ לַֽעֲשׂ֖וֹת אֶת־י֥וֹם הַשַּׁבָּֽת:
Devarim (Deuteronomy) 5:12-15
SABBATH, SHABBAT OR SHABBOS
"More Than Jews Have Kept Shabbat, Shabbat Has Kept The Jews."