長期的にはみんな死んでる
But this long run is a misleading guide to current affairs. In the long run we are all dead. Economists set themselves too easy, too useless a task, if in tempestuous seasons they can only tell us, that when the storm is long past, the ocean is flat again.
- A Tract on Monetary Reform (1923), Ch. 3, p. 80
- John Maynard Keynes ケインズ