Wisdom demands a new orientation of science and technology toward the organic, the gentle, the elegant and beautiful.

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

Eagles come in all shapes and sizes, but you will recognize them chiefly by their attitudes.

A way of life that ever more rapidly depletes the power of the Earth to sustain it and piles up ever more insoluble problems for each succeeding generation can only be called violent.

Real life consists of the tensions produced by the incompatibility of opposites, each of which is needed

Infinite growth of material consumption in a finite world is an impossibility.

Anyone who thinks consumption can expand forever on a finite planet is either insane or an economist.