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.

Fear is the most powerful weapon in the world.

The challenge is to design spaces that serve people without dominating them.

市场设计是一个持续的实验——今天有效的明天可能就需要调整。

每一次的努力都是为了更好的未来。