The greater the penalties laid on sellers in the black market... the higher the black market price.

Production functions involving only land, labor and capital... never work and never explain economic development.

Humble, honest, ignorance is one of the finest flowers of the human spirit

No science of any kind can be divorced from ethical considerations... Science is a human learning process which arises in certain subcultures in human society and not in others, and a subculture as we seen is a group of people defined by acceptance of certain common values, that is, an ethic which permits extensive communication between them.

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

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 proposition that the meek (that is the adaptable and serviceable), inherit the earth is not merely a wishful sentiment of religion, but an iron law of evolution.