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.
作家是所有独裁的敌人，无论是左翼还是右翼。
【译文】 孔子说：“君子不能象器皿一样，只有一种用途。”