Socialism constitutes a threat to the present and future welfare of the human race, in the sense that neither socialism nor any other known substitute for the market order could sustain the current population of the world.

All political theories assume, of course, that most individuals are very ignorant. Those who plead for liberty differ from the rest in that they include among the ignorant themselves as well as the wisest.

Justice, like liberty and coercion, is a concept which, for the sake of clarity, ought to be confined to the deliberate treatment of men by other men.

It is rather a problem of how to secure the best use of resources known to any of the members of society, for ends whose relative importance only those individuals know.

Liberty and responsibility are inseparable.

At a time when most movements that are thought to be progressive advocate further encroachments on individual liberty, those who cherish freedom are likely to expend their energies in opposition. In this they find themselves much of the time on the same side as those who habitually resist change.

The progress of the natural sciences in modern times has of course so much exceeded all expectations that any suggestion that there may be some limits to it is bound to arouse suspicion.