The 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 Keynes[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 KeynesIf economists could manage to get themselves thought of as humble, competent people on a level with dentists, that would be splendid.
John Maynard KeynesIt is the long-term investor...who will in practice come in for the most criticism... For it is the essence of his behavior that he should be eccentric, unconventional, and rash in the eyes of average opinion
John Maynard Keynes