数据库中最重要的东西是数据模型。如果你把数据模型做对了，其他一切都会随之而来。

We are going to die, and that makes us the lucky ones. Most people are never going to die because they are never going to be born.

Your work is going to fill a large part of your life, and the only way to be truly satisfied is to do what you believe is great work.

在追求真理的过程中，我们必须准备好放弃那些与实验相矛盾的最珍视的信念。