The realization that electronic properties can be topologically protected has revolutionized our understanding of solid-state physics.

"Every book should be a conversation between the author and the reader."

处理一个不自由的世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反抗。

我是一个镜球，今晚我会向你展示你自己的每一个版本。