V’shamru V’nei Yisrael

וְשָׁמְרוּ בְנֵי־יִשְׂרָאֵל אֶת־הַשַּׁבָּת לַעֲשׂוֹת אֶת־הַשַּׁבָּת לְדֹרֹתָם בְּרִית עוֹלָם Every week, we sing these words from Parshat Ki Tisa:  “V’shamru v’nei Yisrael et hashabbat.”  The people of Israel shall keep Shabbat, observing Shabbat throughout the ages...