The truth is not always the easiest thing to believe.
真相并不总是最容易相信的事情。
Every mathematical problem is a puzzle waiting to be solved, and every solution is a step closer to understanding the fabric of reality.
我不相信运气,我相信准备遇到机会。
The greatest virtue of man is perhaps curiosity.
International politics is a brutal and unforgiving arena, where states constantly strive to maximize their power and security.