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.

星星真美，因为有一朵看不见的花。

记录就是用来被打破的。

The past is never dead. It's not even past.

环境通过强化机制塑造行为。

The mind is a constantly changing flux of processes.

最好的数据库系统是对用户不可见但功能强大的系统。

控制的目的是使系统在存在不确定性和干扰的情况下仍能按期望的方式运行。