I decided to sell my drawings. However, I didn't want people to buy my drawings because the professor of physics isn't supposed to be able to draw - isn't that wonderful - so I made up a false name.

I knew I belonged to the public and to the world, not because I was talented or even beautiful, but because I had never belonged to anything or anyone else.

A squirrel dying in front of your house may be more relevant to your interests right now than people dying in Africa.

Man is the only creature that refuses to be what he is.

We shall see but a little way if we require to understand what we see.