电子特性可以受到拓扑保护的认识彻底改变了我们对固态物理学的理解。

"We are all time travelers, moving through the past, present, and future in our minds."

意识到社会结构的概念并敏感地使用它，就是能够在各种环境中追踪这种联系。

In modern life nothing produces such an effect as a good platitude. It makes the whole worldkin.

I don't know. Sometimes when I feel about to cry, it often evolves into an impulse to almost laugh. That must have been how I really felt at the time, because I laughed, almost giggled.