Justification, in terms of the broadening of freedom, for any particular form of institution of property must be argued in terms of whether the losses caused by the restrictions imposed are greater or less than the gains derived from the elimination of costly conflict.

It is absurd to suppose we can think of nature as a system apart from knowledge, for it is knowledge that is increasingly determining the course of nature.

We are born to love, as we are born to breathe and eat and drink.

The organization of science into disciplines sets up a series of ghettos with remarkable distances of artificial social space between them.

If a totally new image is to come into being however, there must be sensitivity to internal messages, the image itself must be sensitive to change, must be unstable, and it must include a value image which places high value on trials, experiments, and the trying of new things.

There is something, however humble, which can properly be called skill among those who recognise themselves as economists.

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.