拓扑绝缘体的美在于它们的鲁棒性；它们的表面态受到对称性和拓扑的保护，使它们对某些类型的无序免疫。
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.
To me programming is more than an important practical art. It is also a gigantic undertaking in the foundations of knowledge.
唯一的好是知识，唯一的恶是无知。
永远不要停止学习，因为生活永远不会停止教导。