The wild is a place of danger. To survive, you have to respect it.

商业中唯一不变的就是变化。

The ideas of economists and political philosophers， both when they are right and when they are wrong， are more powerful than is commonly understood. Indeed the world is ruled by little else. Practical men， who believe themselves to be quite exempt from any intellectual influence， are usually the slaves of some defunct economist.

生命的最高表现在于：一个存在物管理自己的行为。总是受他人指导的事物在某种程度上是死物。