Exodus 31:17-18

New Catholic Bible

¹⁷ This is a perpetual sign between me and the children of Israel, for the Lord made the heavens and the earth in six days, but on the seventh he ceased and rested.’ ”

¹⁸ Moses Receives the Tablets of the Law. When the Lord had finished speaking with Moses on Mount Sinai, he gave him the two tablets of Testimony, the stone tablets, written with the finger of God.