Keep the sabbath day, to wit, in mind and memory, as it is Exodus 20:8. As God hath commanded thee, to wit, in Exo 20, whither he directs them, and therefore he here omits the argument of the creation, which is urged there.
Related Commentaries of Deuteronomy 5:12
Deuteronomy 5:12
12 Keep the sabbath day to sanctify it, as the LORD thy God hath commanded thee.