要理解行为，我们必须从生存和适应的背景中审视其目的。
To understand behavior, we must look at its purpose in the context of survival and adaptation.
领导力就是赋予他人力量，去实现他们认为不可能的事情。
To be a writer is to be a person who is always trying to find the truth.
领导力就是在没有人愿意的时候做出艰难的决定。