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.

The best research is driven by both curiosity and necessity.

道家的自然观不仅是被动的接受，更是对宇宙过程的积极参与。

Wall Street has too much wealth and political power.

The only difference between a rat and a human is that a rat learns from experience.

We are all trapped by our own narratives.