Participation in the collective life of the polis both restrains the extraordinary individual and enlarges the ordinary individual, allowing him to participate in the extraordinary. An individual can achieve participatory excellence via the accomplishments of the polis and need not always be caught up in the agnostic struggle to outdo his peers.

Philosophers feel a little more cautious about letting down their technical guard lest the general public doesn't recognize their special credentials. It's the fact that philosophy is of general interest that, paradoxically, keeps philosophers from wanting to speak in a way that's accessible to the general public.

I have a Greek-American friend who named her daughter "Nike" and is often asked why she chose to name her offspring after a sneaker.

In Greek, our word for play is paidia and the word for education is paideia, and it is very natural and right that these words should be entangled at the root, together with our word for children, paides, which gave you your words pedagogy and pediatrician.

So Socrates was a kind of gadfly. He was a sort of philosophical urban gorilla hanging around in the middle of Athens, asking these peculiar questions of everybody - important people, young men, slaves - questions that had to do with ultimately what's the life that's worth living. And Plato was one of the young men who hung around him, a very aristocratic young man, came from a very old, important family.

If we don't understand our tools, then there is a danger we will become the tool of our tools. We think of ourselves as Google's customers, but really we're its products.

Philosophical progress changes what we take to be "intuitively" obvious, and this change covers up the tracks of the laborious arguments that preceded the changes. We don't see these changes, because we see with them.