“And on the seventh day God finished the work that he had done, and he rested on the seventh day from all the work that he had done.”
Genesis 2:2 NRSV
https://bible.com/bible/2016/gen.2.2.NRSV
“Remember the sabbath day, and keep it holy. Six days you shall labor and do all your work. But the seventh day is a sabbath to the Lord your God; you shall not do any work—you, your son or your daughter, your male or female slave, your livestock, or the alien resident in your towns.”
Exodus 20:8-10 NRSV
https://bible.com/bible/2016/exo.20.8-10.NRSV