All happiness depends on courage and work.
关键不在于古代的服饰与古代的语言,况且你只是效法周朝而没有效法夏朝,你所谓的古代还不是真的古代。 
Exile is not just a geographical concept; it is a state of mind.
在寻找新的量子材料时,我们以拓扑和对称性的原则为指导,这些原则常常引导我们发现具有显著特性的材料。
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.