Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

释义：开始时做得好的人确实很多，但能够坚持到底的人却很少。这句话揭示了人们在做事过程中往往容易虎头蛇尾，难以善始善终。 

The concept of purpose has no place in a scientific account of behavior.

我不是一个放弃真相的人。

"The only thing we have to fear is fear itself."