The evolutionary vision is agnostic in regard to systems in the universe of greater complexity than those of which human beings have clear knowledge. It recognizes aesthetic, moral, and religious ideas and experiences as a species, in this case of mental structures or of images, which clearly interacts with other species in the world's great' ecosystem.

Knowledge exists in minds, not in books. Before what has been found can be used by practitioners, someone must organize it, integrate it, extract the message.

Economics has been incurably growth-oriented and addicted to everybody growing richer, even at the cost of exhaustion of resources and pollution of the environment.

In view of the importance of philanthropy in our society, it is surprising that so little attention has been given to it by economic or social theorists. In economic theory, especially, the subject is almost completely ignored. This is not, I think, because economists regard mankind as basically selfish or even because economic man is supposed to act only in his self-interest; it is rather because economics has essentially grown up around the phenomenon of exchange and its theoretical structure rests heavily on this process.

[The loss-of-strength gradient is] the degree to which military and political power diminishes as we move a unit distance away from its home base.

Private property is a means, and neither its abolition nor its unrestricted right should be an end in itself.

The discounting presumably is to be done for each period of time at that rate of interest which represents the alternative cost of employing capital in the occupation in question; that is, at the rate which the entrepreneur could obtain in other investments