13Six days you shall labor and do all your work,
14but the seventh day is a Sabbath to the LORD your God, on which you must not do any work—neither you, nor your son or daughter, nor your manservant or maidservant, nor your ox or donkey or any of your livestock, nor the foreigner within your gates, so that your manservant and maidservant may rest as you do.
15Remember 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 an outstretched arm. That is why the LORD your God has commanded you to keep the Sabbath day.
— Deuteronomy 5:13-15

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Article by Phil Ware

Is rest really necessary for holy and whole living? Phil Ware talks about the importance of rest and the Sabbath principle.