Economists are like computers. They need to have facts punched into them.

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

Economists and technologists bring the "bits", but it requires the social scientists and humanists to bring the "wits.

The use of isoquants to describe the production function did not develop to any great extent until the thirties.

The human experience can almost be summed up in the observation that, whereas all decisions are of the past, all decisions are about the future. The image of the future, therefore, is the key to all choice-oriented behavior. The character and quality of the images of the future which prevail in a society is therefore the most important clue to its overall dynamics.

The process of consumption is the final act in the economic drama.

The evolutionary vision is agnostic in regard to systems in the universe of greater complexity than those of which human beings have clear knowledge.