文章达到最高境界的，必定是其内心达到最高境界；内心达到最高境界的，必定是其道德达到最高境界。

The discovery of topological insulators has opened up a new frontier in condensed matter physics, where the interplay between topology and symmetry leads to novel quantum states of matter.

过去从未死去，它甚至不是过去。

与其杀死毒龙，不如避开毒龙。

"We are all fools in love."

听到了却没有亲眼见到，即使听得再多，也必有谬误；亲眼见到了却不能理解，即使记得再多，也必有错误；知道了却不去实际践行，就是知识再多，也必然困惑。

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.