The criterion of truth is that it works even if nobody is prepared to acknowledge it.

The philosophy of protectionism is a philosophy of war.

The [liberals] consider profits as objectionable. The very existence of profits is in their eyes a proof that wage rates could be raised without harm to anybody. They speak of profit without dealing with loss. Profit and loss are the instruments by means of which the consumers keep a tight rein on all business activities. A profitable enterprise tends to expand; an unprofitable one tends to shrink. The elimination of profit renders production rigid and abolishes the consumer's control.

If history could prove and teach us anything, it would be the private ownership of the means of production as a necessary requisite of civilization and material well-being. All civilizations have up to now been based on private property. Only nations committed to the principle of private property have risen above penury and produced science, art, and literature. There is no experience to show that any other social system could provide mankind with any of the achievements of civilization.

Perhaps there are somewhere in the infinite universe beings whose minds outrank our minds to the same extent as our minds surpass those of the insects. Perhaps there will once somewhere live beings who will look upon us with the same condescension as we look upon amoebae.

It has always been the task of the new generation to provoke changes.

Economic prosperity is not so much a material problem; it is, first of all, an intellectual, spiritual, and moral problem.