American Standard Version (ASV):
Six days shall work be done; but on the seventh day is a sabbath of solemn rest, holy to Jehovah; whosoever doeth any work on the sabbath day, he shall surely be put to death.
King James Version (KJV):
Six days may work be done; but in the seventh [is] the sabbath of rest, holy to the LORD: whosoever doeth [any] work in the sabbath day, he shall surely be put to death.