King James Version (KJV) - Exodus 31:15 >

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.

Berean Study Bible (BSB) - Exodus 31:15 >

For six days work may be done, but the seventh day is a Sabbath of complete rest, holy to the LORD. Whoever does any work on the Sabbath day must surely be put to death.