最好的想法来自挫折。最糟糕的是当一切都完美的时候。

You must be the change you wish to see in the world.

I always say you could publish my trading rules in the newspaper and no one would follow them. The key is consistency and discipline.

When you work on hard problems long enough, you start to see connections where others see only confusion.

The relation between what we see and what we know is never settled.