Everything can be seen directly except the eye through which we see.

There is incredible generosity in the potentialities of Nature. We only have to discover how to utilize them.

The richer a society, the more impossible it becomes to do worthwhile things without immediate pay-off.

True art is the intermediary between man's ordinary nature and his higher potentialities.

Perhaps we cannot raise the winds. But each of us can put up the sail, so that when the wind comes we can catch it.

The generosity of the Earth allows us to feed all mankind; we know enough about ecology to keep the Earth a healthy place; there is enough room on the Earth, and there are enough materials, so that everybody can have adequate shelter; we are quite competent enough to produce sufficient supplies of necessities so that no one need live in misery.

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.