I'm the type of person,if you ask me a question, and I don't know the answer,I'm gonna to tell you that I don't know. —The Pursuit of Happyness.

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 to be obeyed.

领导力在于做出艰难的决定，而不仅仅是受欢迎的决定。