中心地的等级越高，其服务的区域越大，此类中心地的数量越少。

获胜的唯一途径就是比别人学得更快。

在追求知识的过程中，我们必须始终保持谦逊，对新思想持开放态度。

I like to be a free spirit. Some don't like that, but that's the way I am.

每个细节都很重要，因为每个细节都是整体的一部分。

The key to successful investing is to have a clear understanding of the risks and rewards, a disciplined approach, a long-term perspective, and a strong understanding of the fundamentals.