Understanding the real lives of the poor is the first step toward designing effective policies to help them.

The anointed don't like to talk about painful trade-offs. They like to talk about happy "solutions” that get rid of the whole problem- at least in their imagination.

I don’t want to be a star. I want to be a human.

We must measure success not just in profits, but in impact.

云不是一个地方，而是一种做生意的方式。