政府开支的第一条规则：为什么只建一个，当你可以用两倍的价格建两个时？

One day in perfect health is far better than an eternity in any other state.

我们实现明天的唯一限制将是我们今天的怀疑。

"History is not the past. It is the method we have evolved of organizing our ignorance of the past."

Money is not capital, but creativity is.

Diversity in species and systems isn’t complexity—it’s insurance.

抽象的力量使我们能够看到贯穿看似不同问题的共同线索。