I had to drive to Minneapolis once, and went on a back road just to see the country. But there was nothing to see. It's just flat and hot, and full of corn and soybeans and hogs. Every once in a while you come across a farm or some dead little town where the liveliest thing is the flies.

Energy is liberated matter, matter is energy waiting to happen.

Cheapness is a great virtue.

It's hard not to be kind of pessimistic about human beings generally, because we do tend to mess things up. If you just look at the history of extinctions, we've killed off an awful lot of animals - and I don't think we're doing a very good job of looking after the planet.

I can't imagine there has ever been a more gratifying time or place to be alive than America in the 1950s. No country had ever known such prosperity.

Look at a globe and what you are seeing really is a snapshot of the continents as they have been for just one-tenth of 1 per cent of the earths history.

South Dakota... is like the world's first drive-through sensory deprivation chamber.