书籍是最安静、最恒久的朋友；它们是最易接近、最睿智的顾问，也是最耐心的老师。

Success is not just about what you achieve, but how you achieve it.

不担心别人不了解自己，担心的是自己不能了解别人。

The best leaders are those who listen more than they speak and learn from everyone around them.

数学的本质在于其自由性。