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

Within the market society each serves all his fellow citizens and each is served by them. It is a system of mutual exchange of services and commodities, a mutual giving, and receiving.

In capitalist enterprise there is no secure income and no security of wealth.

The school is a political prize of the highest importance. It cannot be deprived of its political character as long as it remains a public and compulsory institution.

The unpopularity of economics is the result of its analysis of the effects of privileges. It is impossible to invalidate the economists demonstration that all privileges hurt the interests of the rest of the nation or at least a great part of it.

The riches of the rich are not the cause of the poverty of anybody; the process that makes some people rich is, on the contrary, the corollary of the process that improves many peoples want satisfaction. The entrepreneurs, the capitalists and the technologists prosper as far as they succeed in best supplying the consumers.

The supremacy of public opinion determines not only the singular role that economics occupies in the complex of thought and knowledge. It determines the whole process of human history.