I do not regard the Keynesian revolution as a great intellectual triumph. On the contrary, it was a tragedy because it came so late. Hitler had already found out how to cure unemployment before Keynes had finished explaining why it occured.

If a rise in wages does not raise prices, a fall will not reduce them.

Rosa Luxemburg maintained that the capitalist system can keep up its rate of investment (and therefore its profits) only so long as it is expanding geographically.

Marxism is the opium of the Marxists.

It is the business of economists, not to tell us what to do, but show why what we are doing anyway is in accord with proper principles.

It is much easier to organize control over one industry serving many markets than over one market served by the products of several industries.

It is the rate of investment which governs the rate of saving, and not vice versa.