我们必须准备好承担一些风险，但必须是经过计算的风险。

谈预防

本当の勇気とは、怖いことを知っていながら、それでも前に進むことだ。

写作是一种理解世界的方式，让我们在周围的混乱中找到意义。

Trend-following is not such a good model. It’s simply eroded. Things change and being able to adjust is what made Mr. Simons so successful. “Statistic predictor signals erode over the next several years； it can be five years or 10 years. You have to keep coming up with new things because the market is against us. If you don’t keep getting better， you’re going to do worse.