The ultimate test of any economic theory is whether it improves real-world decisions.

In preparing for battle I have always found that plans are useless， but planning is indispensable.

I can't predict the future, but I can create it.

年轻人不知道什么是谨慎，因此他们尝试不可能的事情——并且一代又一代地实现了它。

When you look long into an abyss, the abyss looks into you.

死者不会停留在他们被埋葬的地方。