对自己温柔点，你已经在尽力了。

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.

产业链的完善比单一技术的突破更重要。

重要的不是你走得多慢，而是你不停下脚步。