“职业投资行业对没有赌性的人是无法承受的单调与苛刻。而对有赌性的人，他必须为其赌性付出相应的代价。” 凯恩斯，《通论》第十二章五节

“The game of professional investment is intolerably boring and over-exacting to anyone who is entirely exempt from the gambling instinct; whilst he who has it must pay to this propensity the appropriate toll.”

---John Maynard Keynes，The General Theory of Employment, Interest and Money，Chapter 12. The State of Long-Term Expectation， V