我们银河系的中心是一个极端物理学发生的迷人地方，能研究它是我的荣幸。
The center of our galaxy is a fascinating place where extreme physics takes place, and it's a privilege to study it.
Representation of the world, like the world itself, is the work of men; they describe it from their own point of view, which they confuse with the absolute truth.
理论和实践的区别在于，理论上，理论和实践没有区别，但在实践中，却有区别。
I'm not a person who likes to be in the middle.