Size matters. In the case of a state, smaller is usually better. Plato specifies that a state informed by justice and moderation should have 5,040 citizens. Aristotle concurs that a relatively small state, with a maximum of about one thousand households, is more likely to be well governed. It is difficult, if not impossible, to run a state well in large political communities composed of diverse peoples with large class differences. Jean-Jacques Rousseau is famous…