沉默是愚人的美德。

理解经济波动的关键在于理解人们如何形成预期。

过去是一个我们永远无法返回的国家，但它的边界我们总是在跨越。

Sustainability isn't an option; it's a responsibility we owe to future generations.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

学习新编程语言的唯一方法是用它编写程序。