When in doubt, tell the truth.

When you want to change things, you can't please everyone. If you do please everyone, you aren't making enough progress.

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 more you know, the more you grow.

成功不仅仅以利润来衡量，而是以我们留下的积极影响来衡量。