学习数学的最好方法就是去做数学。

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.

最好的故事是提出问题而非解答问题的故事。