光是建筑中最重要的元素。没有光，就没有空间。

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

这就好像口渴了才挖井，人死了才找医生。 

Never underestimate the power of a team that trusts each other.

Every action has its pleasures and its price.

The ability to observe and control electron motion in real-time opens up new frontiers in understanding the fundamental processes of nature.

数学是一门艺术，作为艺术家，你必须对自己诚实。