Exodus 35:2 in the King James Version
Six days shall work be done, but on the seventh day there shall be to you an holy day, a sabbath of rest to the LORD: whosoever doeth work therein shall be put to death.
Context
1 Moses assembled all the congregation of the children of Israel, and said to them, “These are the words which the LORD has commanded, that you should do them.
2 ‘Six days shall work be done, but on the seventh day there shall be a holy day for you, a Sabbath of solemn rest to the LORD: whoever does any work in it shall be put to death.
3 You shall kindle no fire throughout your habitations on the Sabbath day.’”