行为的科学研究必须基于客观、可测量的数据。

分布式系统是指我无法完成任何工作，因为我从未听说过的某台机器崩溃了。

To me, you are still nothing more than a little boy who is just like a hundred thousand other little boys. And I have no need of you. And you, on your part, have no need of me. To you, I am nothing more than a fox like a hundred thousand other foxes.