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.
The heart of another is a dark forest, always, no matter how close it has been to one’s own.
"The past is always tense, the future perfect."
The best way to predict the future is to create it yourself.