Remember, if you ever need a helping hand, it's at the end of your arm, as you get older, remember you have another hand: The first is to help yourself, the second is to help others.

In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs.

I believe that if you'll just stand up and go, life will open up for you.

Every mathematical theorem is a story waiting to be told, a mystery waiting to be unraveled.

现代就是与传统不断对话。