The mind is a place of its own which in itself can make a heaven of hell, a hell of heaven.

我打断你的时候不许打断我!

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.

跨境合作是解决全球森林砍伐的唯一途径。