Genesis 2:2 And on the seventh day God ended his work which he had made; and he rested on the seventh day from all his work which he had made. 30 I MC VC

Genesis 2:3 And God blessed the seventh day, and sanctified it: because that in it he had rested from all his work which God created and made. 55 I MC VC

Deuteronomy 5:15 And remember that thou wast a servant in the land of Egypt, and that the Lord thy God brought thee out thence through a mighty hand and by a stretched out arm: therefore the Lord thy God commanded thee to keep the sabbath day. 14 I MC VC