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.

To be a father is to be condemned to watch your child grow up.

What's terrible is to pretend that second-rate is first-rate. To pretend that you don't need love when you do; or you like your work when you know quite well you're capable of better.

Justice is not a destination, it's a journey.

凡事天下要考察有无的原则，必定是以众人的耳目所见所闻的实情以知有与无来作为标准的。 

The truth is rarely pure and never simple.

I'm not a god, I'm a goddess.

"世界是一个影子，而影子是一场游戏。"