We know: of course, with regard to the market and similar social structures, a great many facts which we cannot measure and on which indeed we have only some very imprecise and general information.

What a free society offers to the individual is much more than what he would be able to do if only he were free.

We shall never prevent the abuse of power if we are not prepared to limit power in a way which occasionally may prevent its use for desirable purposes.

It is also true that the less possible it becomes for a man to acquire a new fortune, the more must the existing fortunes appear as privileges for which there is no justification. Policy is then certain to aim at taking these fortunes out of private hands, either by the slow process of heavy taxation of inheritance or by the quicker one of outright confiscation. A system based on private property and control of the means of production presupposes that such property and control can be acquired by any successful man.

Many who think themselves infinitely superior to the aberrations of Nazism, and sincerely hate all manifestations, work at the same time for ideals whose realization would lead straight to the abhorred tyranny.

There is all the difference in the world between treating people equally and attempting to make them equal.

The chief point we must remember is that the great and rapid advance of the physical sciences took place in fields where it proved that explanation and prediction could be based on laws which accounted for the observed phenomena as functions of comparatively few variables - either particular facts or relative frequencies of events.