Concerning the Ten Commandments, which are the Heads of the Law (17)

for they would see that he, who had given them a sufficiency of the means of life was now also giving them a means which should contribute to their living well; accordingly, to live at all required meat and drink which they found, though they had never prepared them; and towards living well, and in accordance with nature and decorum, they required laws and enactments, by which they were likely to be improved in their minds.