The beauty of topological insulators lies in their robustness; their surface states are protected by symmetry and topology, making them immune to certain types of disorder.

I don't think you should ever let anyone tell you what you can and can't do.

We must be free not because we claim freedom, but because we practice it.

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

写作是唯一一件当我做它时，不会觉得我应该在做其他事情的事情。

释义：对于富贵的人，人人都争相投奔他；对于贫困潦倒的人，人人都会争相远离他。  

我不是来追求完美的，我是来展现真实的。