... the fouling of the nest which has been typical of man's activity in the past on a local scale now seems to be extending to the whole world society.

I have been gradually coming under the conviction, disturbing for a professional theorist, that there is no such thing as economics - there is only social science applied to economic problems.

It is much more accurate to identify the factors of production as know-how (that is genetic information structure), energy, and materials, for, as we have seen, all processes of production involve the direction of energy by some know-how structure toward the selection, transportation, and transformation of materials into the product

In any evolutionary process, even in the arts, the search for novelty becomes corrupting.

As far as many statistical series that are related to activities of mankind are concerned, the date that divides human history into two equal parts is well within living memory. The world of today is as different from the world I was born in as that world was from Julius Caesar s. I was born in the middle of human history, to date, roughly. Almost as much has happened since I was born as happened before.

Economics, we learn in the history of thought, only became a science by escaping from the casuistry and moralizing of medieval thought.

Because of his capacity for abstract communications and language and his ability to enter in imagination into the lives of others, man is able to build organizations of a size and complexity far beyond those of the lower animals.