"Books are mirrors: you only see in them what you already have inside you."

君子的学问，从来不会脱离实践去空谈认识，这是必然的。

这个神奇的国家——一个不仅奇迹发生，而且奇迹不断发生的地方。

"The most important thing is to tell a good story. Everything else is secondary."

数学是一门活生生的学科，随着新的思想和发现不断演变。