除非我能看到明确的50%收益路径，否则我从不购买任何东西。
I never buy anything unless I can see a clear path to a 50% gain.
恭敬乃是处事圆满的根源，谨慎则是全身的关键。
The facts are always friendly, every bit of evidence one can acquire, in any area, leads one that much closer to what is true.