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

The ability to work with systems of general equilibrium is perhaps one of the most important skills of the economist - a skill which he shares with many other scientists, but in which he has perhaps a certain comparative advantage.

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

The economy of the future might be called the "spaceman economy," in which the earth has become a single spaceship, without unlimited reservoirs of anything.

[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.

Nothing fails like success because we don't learn from it. We learn only from failure.

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.