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.

The truth is never just one thing; it is always several things at once.

释义：天地阴阳不交接，是阻塞之象。君子以节俭为德而避开危难，不可追求荣华而谋取禄位。

不管你有没有名气，我都会一视同仁。

看着容易，要学会就很难；千万不要把容易得到的东西看得普通，就不知道珍惜。