"In the middle of difficulty lies opportunity."

数学是一种超越文化和语言障碍的通用语言。

Einstein was wrong when he said, 'God does not play dice'. Consideration of black holes suggests, not only that God does play dice, but that he sometimes confuses us by throwing them where they can't be seen

The web is more a social creation than a technical one. I designed it for a social effect—to help people work together—and not as a technical toy.