The power to become habituated to his surroundings and therefore to no longer be grateful for what is good in it is a marked characteristic of mankind and needs to be fought against if a person is to be happy.
John Maynard KeynesToo large a proportion of recent "mathematical" economics are mere concoctions, as imprecise as the initial assumptions they rest on, which allow the author to lose sight of the complexities and interdependencies of the real world in a maze of pretentious and unhelpful symbols.
John Maynard KeynesUnlike physics, for example, such parts of the bare bones of economic theory as are expressible in mathematical form are extremely easy compared with the economic interpretation of the complex and incompletely known facts of experience, and lead one a very little way towards establishing useful results.
John Maynard KeynesThe old saying holds. Owe your banker �1000 and you are at his mercy; owe him �1 million and the position is reversed.
John Maynard Keynes