一个民族的活力随天气和季节而变化。

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

The best traders are those who can adapt to new information quickly.

雇佣许多人去做一件复杂的事，往往是错误的。数量永远不如质量 (三个臭皮匠不一定比一个诸葛亮强)，人多降低效率，增加成本。

世界不是一个愿望实现的工厂。