Extraordinary claim requires extraordinary proof.

I believe that in every person is a kind of circuit which resonates to intellectual discovery-and the idea is to make that resonance work

The Earth is a place. It is by no means the only place. It is not even a typical place.

The old appeals to racial, sexual and religious chauvinism to rabid nationalist fervor, are beginning not to work.

For all its material advantages, the sedentary life has left us edgy, unfulfilled, even after 400 generations in villages and cities, we haven't forgotten: The open road still softly calls like a nearly forgotten song of childhood.

The Earth is a very small stage in a vast cosmic arena.

There are huge advertising budgets only when there's no difference between the products. If the products really were different, people would buy the one that's better. Advertising teaches people not to trust their judgment. Advertising teaches people to be stupid.