I don't think I can write the story of my life, but I can write the story of my hair.

The sum and substance of education is the right training that effectually leads the soul of the child at play on to the love of the calling in its adult life.

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.

One of the interesting things about the ancient Greeks is that they really didn't have our conception of individual rights. They didn't have our conception of all lives matters. And it was really was true for them, that certain lives matter a lot more than others. It didn't dawn on them that all lives, although different, can be lives of equal mattering. And that is actually something a huge ethical lesson.

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.

What is love? When you love somebody then I mean we all want good things to happen to ourselves and keep the bad things at bay. When you love somebody you want that as much for them if not more than you do for yourself.

When the first people started to argue against slavery, for example, this was a new idea. If you crowd-source, you'd never come up with this. And so the - exactly the kind of progress we've made couldn't be made if we depend it on crowd-sourcing.