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.

The most important rule in trading is to cut your losses short and let your profits run.

在我看来，如果你或我必须在两种思想或行动之间做出选择，我们应该记住我们的死亡，并努力生活，使我们的死亡不会给世界带来任何快乐。

时光飞逝，带着我们一同远去。我正在说话的这一刻已离我远去。