物理定律是普适的，在像银河系中心这样的极端环境中测试它们是至关重要的。

We're told, from many sources, that any onecan achieve anything. We've done away with the caste system, we are now in a system where anyone can rise to any position they please. And it's a beautiful idea. Along with that is a kind of spirit of equality; we're all basically equal. There are no strictly defined hierarchies. There is one really big problem with this, and that problem is envy.

Cells that fire together wire together.

Sometimes it's very difficult being a dog…

商业中的诚信是不可妥协的——它是持久成功的基础。