The difficulty lies not so much in developing new ideas as in escaping from old ones. - John Maynard Keynes

In economics you cannot convict your opponent of error; you can only convince him of it. And, even if you are right, you cannot convince him, if there is a defect in your own powers of persuasion and exposition or if his head is already so filled with contrary notions that he cannot catch the clues to your thought which you are trying to throw to him.

The mechanism of reaching equilibrium by means of a rising cost of living, which is vainly pursued by a rising level of wages, will be described in the next chapter. But it is admitted on all hands that this is the worst possible solution.

It is, it seems, politically impossible for a capitalistic democracy to organize expenditure on the scale necessary to make the grand experiments which would prove my case — except in war conditions