"The only limit to our realization of tomorrow is our doubts of today."

自由主义与共产主义之间，或民主与威权主义之间的伟大意识形态斗争，已被对自由民主可取性的一般共识所取代。

拓扑绝缘体的美在于它们的鲁棒性；它们的表面态受到对称性和拓扑的保护，使它们对某些类型的无序免疫。

The beauty of computer science is in its endless possibilities.

Sometimes you don't need a goal in life, you don't need to know the big picture. You just need to know what you're going to do next!