数学是给不同事物起相同名字的艺术。
你的理论很疯狂，但还不够疯狂到成为真理。
To say something is to perform an action， and to perform an action is to do something with words.
The only thing that stands between you and your dream is the will to try and the belief that it is actually possible.
The truth is, we know so little about life, we don't really know what the good news is and what the bad news is.