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.
Torrey's Topical Textbook—AKJV

Exodus 20:11
For in six days the LORD made heaven and earth, the sea, and all that in them is, and rested the seventh day: why the LORD blessed the sabbath day, and hallowed it.
Torrey's Topical Textbook—AKJV