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

真相很少是纯粹的，也从不简单。

预测未来的最好方法就是创造未来。

The human being is a most curious creature.

效率是把事情做对；效能是做对的事情。