'Keep the Sabbath' in the Bible

Therefore shall ye keep the sabbath, for holy, it is unto you, he that profaneth it shall be surely put to death; verily whosoever doeth therein any work that souls shall be cut off from the midst of its people:

Therefore shall the sons of Israel keep the sabbath, - by making it a Day of Rest to your generations, as an age-abiding covenant:

So shalt thou remember that a servant, wast thou in the land of Egypt, and that Yahweh thy God brought thee forth from thence, with a firm hand, and with a stretched-out arm, - for this cause, hath Yahweh thy God commanded thee to keep the sabbath day: