Deuteronomy 5:13-15

13Six days you shall labor and do all your work,

14but the seventh day is a Sabbath [a day of rest dedicated] to the Lord your God; on that day you shall not do any work, you or your son or your daughter or your male servant or your female servant or your ox or your donkey or any of your livestock or the stranger who stays inside your [city] gates, so that your male servant and your female servant may rest as well as you.

15You shall remember [with thoughtful concern] that you were a slave in the land of Egypt, and that the Lord your God brought you out of there with a mighty hand and by an outstretched arm; therefore the Lord your God has commanded you to observe the Sabbath day.