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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.

設計系統最難的部分是決定構建什么。

High-quality development in the coal industry must prioritize safety first.

It is a first principle of human action that a man does what he believes will satisfy his desires.

關于對話，最重要的是要記住其目的不是分析或贏得爭論，而是暫停你的判斷并傾聽。

唱歌是我表達愛的方式。