I write to understand, to grasp, to seize the reality that escapes me.

真正的问题不是气候是否在变化，而是我们能以多快的速度适应以及能适应多少。

史记

You’ve got to have models in your head. And you’ve got to array your experience—both vicarious and direct—on this latticework of models. You may have noticed students who just try to remember and pound back what is remembered. Well, they fail in school and in life. You’ve got to hang experience on a latticework of models in your mind.

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.

毫无疑问：计算机处理数字-而不是符号。我们通过对活动进行数字化的程度来衡量我们的理解（和控制）。

如果你有梦想，就要守护它。