In investing, you get what you don’t pay for.

The beauty of a mathematical proof is in its elegance and the way it reveals the underlying truth in a clear and concise manner.

Extraordinary claims should require extraordinary evidence to be believed.

鹰从未像他屈服于向乌鸦学习时那样失去如此多的时间。

人是生而自由的，但却无往不在枷锁之中。

——在遗嘱上签名，稍休后说几句话勉励各同志，1925年3月11日

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？

我不是一个生活在恐惧中的女孩。我是一个生活在自由中的女孩。

Recycling should be the last resort, not the first solution. Better design comes first.