 lectures, and the elementary books of public right, as, for example, Aristotle, Cicero, Locke, Sidney, etc. Aristotle, Cicero, Locke. Let's start with those three. What did Aristotle say that he bequeathed to the framers in Philadelphia? Well, I think that the idea of nature as the norm for human behavior, that clearly has its origins. What does nature as the norm mean?