We must shed the illusion that we can deliberately 'create the future of mankind'

The idea of social justice is that the state should treat different people unequally in order to make them equal.

There may be few instances in which the superstition that only measurable magnitudes can be important has done positive harm in the economic field: but the present inflation and employment problems are a very serious one.

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.

Liberty not only means that the individual has both the opportunity and the burden of choice; it also means that he must bear the consequences of his actions. Liberty and responsibility are inseparable.

Freedom can be preserved only if it is treated as a supreme principle which must not be sacrificed for particular advantages.

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.