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.

Thinking consists in envisaging, realizing structural features and structural requirements.

The second half of the Internet is industrial Internet.

The best brands don't just sell products; they sell emotions and experiences.