Exodus 31:17-18

Complete Jewish Bible

¹⁷ It is a sign between me and the people of Isra’el forever; for in six days Adonai made heaven and earth, but on the seventh day he stopped working and rested.’”

(ii) ¹⁸ When he had finished speaking with Moshe on Mount Sinai, Adonai gave him the two tablets of the testimony, tablets of stone inscribed by the finger of God.