I certainly never feel discouraged. I can't myself raise the winds that might blow us or this ship into a better world. But I can at least put up the sail so that when the winds comes, I can catch it.

The substance of man cannot be measured by Gross National Product.

There is no economic problem and, in a sense, there never has been.

Our intentions tend to be much more real to us than our actions, and this can lead to a great deal of misunderstanding with other people, to whom our actions tend to be much more real than our intentions.

Any intelligent fool can make things bigger and more complex... It takes a touch of genius - and a lot of courage to move in the opposite direction.

After all, for mankind as a whole there are no exports. We did not start developing by obtaining foreign exchange from Mars or the moon. Mankind is a closed society.

To describe an animal as a physico-chemical system of extreme complexityis no doubt perfectly correct, except that it misses out on the animalness of the animal.