You yourself are to speak to the Israelites: "You shall keep my sabbaths, for this is a sign between me and you throughout your generations, given in order that you may know that I, the Lord, sanctify you.
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.
(New Revised Standard Bible Version Online)