I'm interested in the weak materials, the materials that people don't think can be used for permanent structures.

Virtue consists， not in abstaining from vice， but in not desiring it.

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.

The only real song is the song of the heart.

A diploma is not necessarily can create a person, just as a prison may not be defeated every>