There are poor societies which have too little; but where is the rich society that says: 'Halt! We have enough'? There is none.

It is amazing how much theory we can do without when work actually begins.

Modern economic thinking...is peculiarly unable to consider the long term and to appreciate man's dependence on the natural world.

We still have to learn how to live peacefully, not only with our fellow men but also with nature.

Any intelligent fool can invent further complications, but it takes a genius to retain, or recapture, simplicity.

The most striking thing about modern industry is that it requires so much and accomplishes so little.

By means of trees, wildlife could be conserved, pollution decreased, and the beauty of our landscapes enhanced. This is the way, or at least one of the ways, to spiritual, moral, and cultural regeneration.