成功不是幸福的关键。幸福是成功的关键。如果你热爱你所做的事情,你就会成功。
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 most important thing in mathematics is to ask the right questions.
What appears good to one may appear evil to another, and vice versa.