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. 45 I MC VC

Exodus 31:16 Wherefore the children of Israel shall keep the sabbath, to observe the sabbath throughout their generations, for a perpetual covenant. 12 I MC VC