实现明天的唯一限制将是我们今天的怀疑。

We don’t start with models. We start with data. We don’t have any preconceived notions. We look for things that can be replicated thousands of times. A trouble with convergence trading is that you don’t have a time scale. You say that eventually things will come together.Well， when is eventually？

A good mathematician should be both rigorous and imaginative.

The past is never dead. It's not even past.

进步的艺术是在变革中保持秩序，在秩序中保持变革。

对任何农场来说，最好的肥料就是农民的足迹。