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.

客户满意度应该始终是每个决策的核心。

法律不是一个封闭的逻辑系统，而是一种社会控制手段。

真相是个滑溜溜的东西，尤其是在黑暗中。