[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.

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.

[In science any model depends on a pre-chosen taxonomy] a set of classifications into which we divide the enormous complexity of the real world... Land, labor, and capital are extremely heterogeneous aggregates, not much better than earth, air, fire, and water.

The controversy as to whether socialism is possible has been settled by the fact that it exists, and it is a fundamental axiom of my philosophy, at any rate, that anything that exists, is possible.

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.

The organizer who creates roles, who creates the holes that will force the pegs to their shape, is a prime creator of personality itself. When we ask of a man, "What is he?" the answer is usually given in terms of his major role, job, or position in society; he is the place that he fills, a painter, a priest, a politician, a criminal.

Thus we seem to be on the verge of an expansion of welfare economics into something like a social science of ethics and politics: what was intended to be a mere porch to ethics is either the whole house or nothing at all. In so laying down its life welfare economics may be able to contribute some of its insights and analytical methods to a much broader evaluative analysis of the whole social process.