Exodus 23:12
12 a“Six days you shall do your work, but on the seventh day you shall rest; that your ox and your donkey may have rest, and the son of your servant woman, and the alien, may be refreshed.
Exodus 31:17
17 It is a sign forever between me and the people of Israel that in six days the Lord made the heavens and the earth, and don the seventh day he rested and was refreshed.’”