Marx, however imperfectly he worked out the details, set himself the task of discovering the law of motion of capitalism, and if there is any hope of progress in economics at all, it must be in using academic methods to solve the problems posed by Marx.

The point of studying economics is so as not to be fooled by economists.

The only thing worse than being exploited by capitalism is not being exploited by capitalism.

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.

The first essential for economists ... is to ... combat, not foster, the ideology which pretends that values which can be measured in terms of money are the only ones that ought to count.

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

In all the talk in the Principles (as opposed to the formal analysis) it is not the saving of rentiers but the energy of entrepreneurs which governs accumulation.