Mathematics is not a spectator sport.
"The silence between words is often more powerful than the words themselves."
You have to believe in the reality of the world and the reality of the people in it.
Never a failure, always a lesson.
The world is a comedy to those that think, a tragedy to those that feel.
The seabbard is content to be dull when it protects the keenness of the word.
程序最重要的属性是它是否实现了用户的意图。
The heart is a lonely hunter.