Exodus 31:12–18
12 And the Lord spoke to Moses, saying, 13 “Speak also to the children of Israel, saying: p‘Surely My Sabbaths you shall keep, for it is a sign between Me and you throughout your generations, that you may know that I am the Lord who qsanctifies 2you. 14 rYou shall keep the Sabbath, therefore, for it is holy to you. Everyone who 3profanes it shall surely be put to death; for swhoever does any work on it, that person shall be cut off from among his people. 15 Work shall be done for tsix days, but the useventh is the Sabbath of rest, holy to the Lord. Whoever does any work on the Sabbath day, he shall surely be put to death. 16 Therefore the children of Israel shall keep the Sabbath, to observe the Sabbath throughout their generations as a perpetual covenant. 17 It is va sign between Me and the children of Israel forever; for win six days the Lord made the heavens and the earth, and on the seventh day He rested and was refreshed.’ ”
18 And when He had made an end of speaking with him on Mount Sinai, He gave Moses xtwo tablets of the Testimony, tablets of stone, written with the finger of God.