关于自由市场最重要的一个核心事实是，除非双方都受益，否则不会发生交换。

The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?

人生太重要，不能太当真。

A esperança é o último que morre.

迄今为止发现的让许多人自愿合作的唯一方式是通过自由市场。

Sustainability isn't an option; it's our responsibility to the next generation.