写作就是面对我们过去的幽灵，给它们一个声音，也许，让它们自由。

Art is not what you see, but what you make others see.

He who refuses to do arithmetic is doomed to talk nonsense.

I know how much work it takes to get to the top, but even more to stay there.

一九三六年十二月

我努力改了四十年，现在才刚刚控制住。我过去几乎每天都生气，乔，但我学会了不把它表露出来；我还希望学会不把它感觉出来，虽然可能有的花上四十年的功夫。

The best way to achieve long-term investment success is to focus on low-cost, broadly diversified index funds.

理论见解常常导致实际突破，弥合抽象思想与现实世界应用之间的差距。

估计问题的性质不同。在这里，我们不关心检验特定的假设，而是关心估计参数的值。