If you are ever in trouble, don’t try to be brave, just run away.
Mathematics is the music of reason.
释义:广泛地学习,恳切地提问,从而增长知识;行为高尚,言语谨慎,从而修养自身。这是对学习与修养的重视。 
In an uncertain era, the only certainty is change itself.
这不是钱的问题。而是关于你拥有的人,你如何被领导,以及你理解了多少。
"The challenge of acting is to make the audience forget they are watching a performance."