剑鞘保护剑的锋利，自己却满足於它自己的迟钝。

"The world is a book, and those who do not travel read only a page."

Science is not about control. It is about cultivating a perpetual condition of wonder in the face of something that forever grows one step richer and deeper than our latest theory about it.

真相往往隐藏在最小的细节中。

The discovery of topological insulators has opened up a new frontier in condensed matter physics, where the interplay of symmetry and topology leads to novel quantum states of matter.

行为的目标总是某种驱力或需求的减少。