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.
History is neither written nor made without love or hate.
Challenges are what make life interesting. Overcoming them is what makes life meaningful.
我不是那种会让对我忠诚的爱减少的人。
数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。