[T]he theory of output as a whole, which is what the following book purports to provide, is much more easily adapted to the conditions of a totalitarian state, than is the theory of production and distribution of a given output produced under the conditions of free competition and a large measure of laissez-faire.
John Maynard KeynesThe book, as it stands, seems to me to be one of the most frightful muddles I have ever read, with scarcely a sound proposition in it beginning with page 45 [Hayek provided historical background up to page 45; after that came his theoretical model], and yet it remains a book of some interest, which is likely to leave its mark on the mind of the reader. It is an extraordinary example of how, starting with a mistake, a remorseless logician can end up in bedlam.
John Maynard KeynesThe difficulty lies, not in the new ideas, but in escaping the old ones, which ramify, for those brought up as most of us have been, into every corner of our minds.
John Maynard KeynesInvestment based on genuine long-term expectations is so difficult today as to be scarcely practicable.
John Maynard KeynesIn a regime of Free Trade and free economic intercourse it would be of little consequence that iron lay on one side of a political frontier, and labour, coal, and blast furnaces on the other. But as it is, men have devised ways to impoverish themselves and one another; and prefer collective animosities to individual happiness.
John Maynard Keynes