互联网是人类建造的第一样人类自己不理解的东西，是我们有史以来最大的无政府状态实验。
The Internet is the first thing that humanity has built that humanity doesn't understand, the largest experiment in anarchy that we have ever had.
A novel is a mirror walking along a main road.
价格是你付出的，而价值才是你得到的。
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.