被管理的森林就像交响乐，每棵树都在正确的时间扮演自己的角色。

The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt; and the profoundest wisdom, to know when it ought to be resisted, and when it be obeyed.

The method of introspection must be rigorously controlled.

我不是商人，我就是生意本身。