What is lacking to the underdeveloped nations is not knowledge, but capital.

It is not enough for [the investor] to know all the factors that can possibly contribute to the determination of a future event. In order to anticipate correctly they must also anticipate correctly the quantity as it were of each factor's contribution and the instant at which its contribution will become effective.

It is vain to fight totalitarianism by adopting totalitarian methods. Freedom can only be won by men unconditionally committed to the principles of freedom. The first requisite for a better social order is the return to unrestricted freedom of thought and speech.

Economics must not be relegated to classrooms and statistical offices and must not be left to esoteric circles. It is the philosophy of human life and action and concerns everybody and everything. It is the pith of civilization and of man's human existence.

All people, entrepreneurs as well as non-entrepreneurs, look askance upon any profits earned by other people. Envy is a common weakness of men. People are loath to acknowledge the fact that they themselves could have earned profits if they had displayed the same foresight and judgment the successful businessman did.

The boom is called good business, prosperity, and upswing. Its unavoidable aftermath, the readjustment of conditions to the real data of the market, is called crisis, slump, bad business, depression.

Without calculation, economic activity is impossible. Since under Socialism economic calculation is impossible, under Socialism there can be no economic activity in our sense of the word All economic change, therefore, would involve operations the value of which could neither be predicted beforehand nor ascertained after they had taken place. Everything would be a leap in the dark. Socialism is the renunciation of rational economy.