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 end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

关于技术最重要的事情是它如何改变我们的生活方式。

The horror of the Twentieth Century was the size of each new event, and the paucity of its reverberation.

最重要的是，你必须要有勇气跟随你的内心和直觉。

无知比知识更容易出现。