What impels every man to the utmost exertion in the service of his fellow man. Is, in the market not compulsion on the part of gendarmes, hangmen and penal courts, it is self interest.

The main political problem is how to prevent the police power from becoming tyrannical. This is the meaning of all the struggles for liberty.

The most important thing to remember is that inflation is not an act of God, that inflation is not a catastrophe of the elements or a disease that comes like the plague. Inflation is a policy.

Economic prosperity is not so much a material problem; it is, first of all, an intellectual, spiritual, and moral problem.

They [intellectuals] coined most of the slogans that guided the butcheries of Bolshevism, Fascism, and Nazism. Intellectuals extolling the delights of murder, writers advocating censorship, philosophers judging the merits of thinkers and authors, not according to the value of their contributions but according to their achievements on battlefields, are the spiritual leaders of our age of perpetual strife.

The history of mankind is the history of ideas.

The essential characteristic of Western civilization that distinguishes it from the arrested and petrified civilizations of the East was and is its concern for freedom from the state.