理解的改进有两个目的：第一，我们自己知识的增加；第二，使我们能够将这种知识传授给他人。
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
The most exciting moments in mathematics are when you discover that two seemingly unrelated areas are deeply connected.
最终，我们只会后悔没有抓住的机会。
The night is a great temple, but the stars are its candles.
The most alluring thing a woman can have is confidence.