Sovereignty must not be used for inflicting harm on anyone, whether citizen or foreigner.

A country becomes more prosperous in proportion to the rise in the invested capital unit per unit of its population.

Thus, the isolated interference with one or a few prices of consumer goods always bring about effects-and this is important to realize-which are even less satisfactory than the conditions that prevailed before.

The alcoholic and the drug addict harm only themselves by their behavior; the person who violates the rules of morality governing mans life in society harms not only himself, but everyone.

Each epoch has found in the Gospels what it sought to find there, and has overlooked what it wished to overlook.

He who acts under an emotional impulse also acts. What distinguishes an emotional action from other actions is the valuation of input and output. Emotions disarrange valuations. Inflamed with passion, man sees the goal as more desirable and the price he has to pay for it as less burdensome than he would in cool deliberation.

Private property creates for the individual a sphere in which he is free of the state. It sets limits to the operation of the authoritarian will.