关系模型的力量在于其简单性以及以直接方式表示复杂关系的能力。

What good's an opinion if you can't change it?

A company’s reputation is its most valuable asset.

Systems have sub-systems and sub-systems have sub- systems and so on ad infinitum - which is why we're always starting over.

真理只有一个，道路却有无数条。

I think that the most important thing a woman can have - next to talent, of course - is her hairdresser.