The history of mankind is the history of ideas.

Liberty is always freedom from the government.

Without speculation there can be no economic activity reaching beyond the immediate present.

The flowering of human society depends on two factors: the intellectual power of outstanding men to conceive sound social and economic theories, and the ability of these or other men to make these ideologies palatable to the majority.

The productivity of social cooperation surpasses in every respect the sum total of the production of isolated individuals.

What those people who ask for equality have in mind is always an increase in their own power to consume.

The member of a contractual society is free because he serves others only in serving himself. What restrains him is only the inevitable natural phenomenon of scarcity.