数学之美在于它能够以精确而优雅的方式描述世界。
The beauty of mathematics lies in its ability to describe the world in a precise and elegant way.
实现明天的唯一限制是我们今天的疑虑。
历史不是发生了什么。历史只是历史学家告诉我们的东西。
Character is doing the right thing when nobody's looking. There are too many people who think that the only thing that's right is to get by, and the only thing that's wrong is to get caught.
A man lies the most when he lies to himself.