The printing press is either the greatest blessing or the greatest curse of modern times, sometimes one forgets which it is.

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

Is there enough to go around? What is enough? Who can tell us? Certainly not the economist who pursues economic growth as the highest of all values, and therefore has no concept of enough.

The most striking about modern industry is that it requires so much and accomplishes so little. Modern industry seems to be inefficient to a degree that surpasses one's ordinary powers of imagination. Its inefficiency therefore remains unnoticed.

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.

We still have to learn how to live peacefully, not only with our fellow men but also with nature and, above all, with those Higher Powers which have made nature and have made us; for, assuredly, we have not come about by accident and certainly have not made ourselves

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.