Thinking is the soul speaking to itself.

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.

Everybody makes excuses for themselves they wouldn't be prepared to make for other people.

It is an essential feature of the just state that the wealthy be kept away from political power and that the politically powerful be kept away from wealth.

We become more worthy the more we bend our minds to the impersonal. We become better as we take in the universe, thinking more about the largeness that it is and laugh about the smallness that is us.

A child's natural form of behavior is play, and in our aim to educate, play should be honored and preserved for as long past childhood as can be.

Philosophy is this amazing technique we've devised for getting reality to answer us back when we're getting it wrong. Science itself can't make those arguments. You actually have to rely on philosophy, on philosophy of science.