Deuteronomy 5:12

⁸“Remember the Sabbath day, to keep it holy. ⁹You shall labor six days, and do all your work, ¹⁰but the seventh day is a Sabbath to the LORD your God. You shall not do any work in it, you, nor your son, nor your daughter, your male servant, nor your female servant, nor your livestock, nor your stranger who is within your gates; ¹¹for 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 Sabbath day, and made it holy.

¹³“If you turn away your foot from the Sabbath, from doing your pleasure on my holy day, and call the Sabbath a delight, and the holy of the LORD honorable, and honor it, not doing your own ways, nor finding your own pleasure, nor speaking your own words,

⁶Also the foreigners who join themselves to the LORD to serve him, and to love the LORD’s name, to be his servants, everyone who keeps the Sabbath from profaning it, and holds fast my covenant,