唱歌不是为了出名，而是因为热爱。
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.
"The boundary between the quantum and classical worlds is not a sharp line but a blurred transition where the rules of physics shift dramatically."
生活的真相很简单，但我们讲述的故事却非常复杂。
He who refuses to do arithmetic is doomed to talk nonsense.