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.

学者必须自信，既然自信，无论如何也无法被剥夺。

No matter how good you get you can always get better, and that's the exciting part.

我唱的每一首歌都是我献给世界的一片真心。