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.

我吃文字从来没反胃过。

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

I don't want to be perfect, but I do want to be a role model.

渔业领导力意味着超越利润的思考——它意味着管理责任。

我不认为冠军可以被教出来。它必须来自内心。

If you want to solve big problems, start by asking the right questions.

城市是生活上演的舞台。

The writer must be a person who is willing to take risks.