从让一个人生气的事情大小就能看出一个人的价值。

Profitability and sustainability must go hand in hand—they are not mutually exclusive.

我曾听说过这样一个说法：快乐就是拥有健康和短暂的记忆。我多么希望这是我发明的，因为说得太对了。

The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is a finite problem.

自己不能胜任的事，切勿轻易答应别人;既经允诺，就必须实践自己的诺言。