All of the services commonly thought to require the State-from the coining of money to police protection to the development of law in defense of the rights of person and property-can be and have been supplied far more efficiently and certainly more morally by private persons. The State is in no sense required by the nature of man; quite the contrary.
Murray RothbardModern economics is a set of formal models and equations purporting to fully determine human behaviour, at least in the economic realm. And there is no way that uncertainty can be compressed into determinate mathematical models.
Murray RothbardPositivism eliminates any kind of natural law principle - for example, that there are economic laws which can be transgressed only at your peril. With positivism, there is a tendency to leap into ad hoc economic theory.
Murray Rothbard