Ver. 12,13. Keep the sabbath day to sanctify it Or observe it, by setting it apart as a time of natural rest, and for the performance of holy and religious exercises; see ( Exodus 20:8 ) , where the phrase is a little varied, "remember the sabbath day to keep it holy"; it having been instituted before:
as the Lord thy God hath commanded thee; not at Sinai only, for the same might then have been observed of all the rest of the commands, but before the giving of the law, at the first of the manna; see ( Exodus 16:23 ) .
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The seventh day is the day of worship dedicated to the LORD your God. You, your sons, your daughters, your male and female slaves, your oxen, your donkeys--all of your animals--even the foreigners living in your city must never do any work [on that day]. In this way your male and female slaves can rest as you do.