For six days work may be done, but the seventh day shall be your holy day, a Sabbath of complete rest to the LORD. Whoever does any work on that day must be put to death.
Jewish Publication Society of America Version (JPS1917) - Exodus 35:2 >Six days shall work be done, but on the seventh day there shall be to you a holy day, a sabbath of solemn rest to the LORD; whosoever doeth any work therein shall be put to death.