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.

Economics is not about things and tangible material objects; it is about men, their meanings and actions.

Man is born an asocial and antisocial being. The newborn child is a savage. Egoism is his nature. Only the experience of life and the teachings of his parents, his brothers, sisters, playmates, and later of other people FORCE HIM to acknowledge the advantages of social cooperation and accordingly to change his behavior.

The history of mankind is the history of ideas.

In spite of the anticapitalistic policies of all governments and of almost all political parties, the capitalist mode of production

The causes of all panics, crashes and depressions can be summed up in only four words: the misuse of credit.

An essential point in the social philosophy of interventionism is the existence of an inexhaustible fund which can be squeezed forever. The whole system of interventionism collapses when the fountain is drained off: The Santa Clause principle liquidates itself.