无限的努力是打开潜能的关键---而不是实力与头脑。
In the world of mathematics, imagination is more important than knowledge.
Twenty years from now you will be more disappointed by the things that you didn’t do than by the ones you did do. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. Discover.
No man's knowledge here can go beyond his experience.