I know that I am intelligent, because I know that I know nothing.

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.

Let us permit nature to have her way. She understands her business better than we do.