道德的人和荣誉的人之间的区别在于，后者即使在不光彩的行为奏效时也会感到后悔。

Success is about being happy with what you're doing.

To succeed， get other people to pay you； to become wealthy， help other people to succeed.

The advancement of mathematics is due to those who are driven not by the desire for application but by the joy of discovery.

I believe in the passion of creation and that dreams are more powerful than facts.