It is a sign between me and the children of Yisra'el forever; for in six days the LORD made heaven and earth, and on the seventh day he rested, and was refreshed.'*
for in six days the LORD made heaven and earth, the sea, and all that is in them, and rested the seventh day; therefore the LORD blessed the day of Shabbat, and made it holy.
*Speak also to the children of Yisra'el, saying, 'Most certainly you shall keep my Shabbatot: for it is a sign between me and you throughout your generations; that you may know that I am the LORD who sanctifies you.
If you turn away your foot from the Shabbat, from doing your pleasure on my holy day; and call the Shabbat a delight, [and] the holy of the LORD honorable; and shall honor it, not doing your own ways, nor finding your own pleasure, nor speaking [your own] words: