Exodus 20:11

In Deuteronomy 5:14 another reason is given for the observance of the sabbath rest, in accordance with the philanthropic spirit which pervades the whole of that book: cp. Exodus 23:12. Both reasons are probably later amplifications of the original commandment. Blessed.. and hallowed it] consecrated it to Himself with a special blessing upon it. The unusually frequent mention in OT. of the duty of observing the sabbath is an indication of its importance. It is often referred to as constituting along with circumcision the sign of the covenant between God and Israel: see on Exodus 31:13.