我们唯一需要害怕的就是害怕本身。
The only thing that can make you a leader is your actions.
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
Challenges are what make us grow; embrace them with courage and determination.
The essence of mathematics lies in its freedom.
未来属于那些相信自己梦想之美的人。