爱不是占有，而是放手。
Love is not about possession, but about letting go.
热爱传统从来没有削弱过一个国家。传统就是生死时刻用来救命的。
We cannot change the past, but we can change how we view it.
The beauty of topological insulators lies in their robustness; their surface states are protected against disorder and imperfections.
在二战之前，生活是简单的。在那之后，我们有了系统。
与其后来替一个人婉惜，不如先嘲笑他算了。