It is better to be wrong than to be vague.

Ethical progress is the only cure for the damage done by scientific progress.

It's as great a part of the human adventure to invent things as to understand them. John Randall wasn't a great scientist, but he was a great inventor. There's been lots more like him, and it's a shame they don't get Nobel Prizes.

The universe in some sense must have known that we were coming.

I am saying that all predictions concerning climate are highly uncertain.

It is in the long run essential to the growth of any new and high civilization that small groups of men can escape from their neighbors and from their government, to go and live as they please in the wilderness. A truly isolated, small, and creative society will never again be possible on this planet.

There is no doubt that parts of the world are getting warmer, but the warming is not global.