服装决定人的型态，全裸的人对社会几乎没有影响。

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.

怀疑是智慧的开端，而非敌人。

我们根据世界对行动的意义来感知它。