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.

"I believe in the power of books to change lives."

我相信活在当下，充分利用每一天。

任正非内部讲话稿