那些疯狂到以为自己能够改变世界的人,才能真正改变世界。
The people who are crazy enough to think they can change the world are the ones who do.
"In the end, we will remember not the words of our enemies, but the silence of our friends."
I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.
The essence of mathematics lies in its freedom.
If you believe in yourself, anything is possible.