人生四然：来是偶然，去是必然，尽其当然，顺其自然。

为了发现什么是真实的，值得活下去。

我从不害怕失败，因为失败是成功的一部分。

I think it's important to have a dream and to follow it, no matter what.

The discovery of topological insulators has opened up a new frontier in condensed matter physics, where the interplay of symmetry and topology leads to novel quantum states of matter.

一本好书是作者与读者之间的对话。