"A writer’s job is to pay attention to the world."

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.

一项发明可能价值连城，但对发明者却毫无价值。

世界上发生的任何事情，其意义无非是某些极大或极小值。

Understanding the history of computing is crucial for innovating its future.