And remember that you were a servant in the land of Egypt, and that the LORD your God brought you out from there by a mighty hand and by an outstretched arm: therefore the LORD your God commanded you to keep the sabbath day.
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George Leo Haydock
AD 1849
Therefore. This is another reason why the Jews were to observe the sabbath with particular rigour. The institution of a day of rest every week, (Haydock) was intended to preserve the memory of the creation. (Calmet)
God also requires that his people should be grateful on this day for the rest which he had granted to them, (Haydock) and preserve carefully all the monuments of the true religion. (Calmet)