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.

成功不是快乐的关键。快乐才是成功的关键。如果你热爱你所做的事，你就会成功。

不克制意志便能高洁，不讲求仁义就能修身，不追求功业名声便能使天下太平，不隐居江海也得静闲，不用导引之术而得高寿，忘掉上面这一切，而又具备这一切。淡然至极，而一切美好的东西都随之而来，这就是天道，圣人之规律。