Any attempt to reduce the complex properties of biological organisms or of nervous systems or of human brains to simple physical and chemical systems is foolish.

The tourist business is a trap, it is a tained honey; Man clearly should have stayed in bed, and not invented money.

[The notion of equilibrium] is a notion which can be employed usefully in varying degrees of looseness. It is an absolutely indispensable part of the toolbag of the economist and one which he can often contribute usefully to other sciences which are occasionally apt to get lost in the trackless exfoliations of purely dynamic systems.

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.

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.

Almost every organization... exhibits two faces a smiling face which it turns toward its members and a frowning face which it turns to the world outside.