Exodus 31:17-18 New American Bible, Revised Edition (NABRE)

17. Between me and the Israelites it is to be an everlasting sign; for in six days the Lord made the heavens and the earth, but on the seventh day he rested at his ease.

18. When the Lord had finished speaking to Moses on Mount Sinai, he gave him the two tablets of the covenant, the stone tablets inscribed by God’s own finger.

Exodus 31