"YHWH commanded us to abstain from work on the Sabbath, and to rest, for two purposes; namely, (1) That we might confirm the true theory, that of the Creation, which at once and clearly leads to the theory of the existence of God. (2) That we might remember how kind God had been in freeing us from the burden of the Egyptians - The Sabbath is therefore a double blessing: it gives us correct notions, and also promotes the well-being of our bodies."