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.

In any society freedom of thought will probably be of direct significance for a small minority. But this does not mean that anyone is competent, or ought to have power, to select those to whom this freedom is to be reserved.

Unlike proportionality, progression provides no principle which tells us what the relative burden of different persons ought to be the argument based on the presumed justice of progression provides no limitation, as has often been admitted by its supporters, before all incomes above a certain figure are confiscated, and those below left untaxed.

Any man who is only an economist is unlikely to be a good one.

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.

I am still puzzled why those in the United States who truly believe in liberty should not only have allowed the left to appropriate this almost indispensable term but should even have assisted by beginning to use it themselves as a term of opprobrium. This seems to be particularly regrettable because of the consequent tendency of many true liberals to describe themselves as conservatives.

The great aim of the struggle for liberty has been equality before the law.