如果人们不相信数学是简单的，那只是因为他们没有意识到生活有多么复杂。

The challenge of art is to make the invisible visible.

Human suffering and joy are universal, no matter where we come from.

The beauty of topological insulators lies in their robustness; their surface states are protected against disorder and imperfections.

学习一种新编程语言的唯一方法是用它编写程序。

任何有机体最难做的事情就是观察自己。