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Development economics is ultimately about improving people's lives.
Market failures are often not failures of markets, but failures of market design.
"The world is a mysterious place, and we are all just trying to find our way through it."
The past, like the future, is indefinite and exists only as a spectrum of possibilities.
最成功的企业是那些将其目标与客户需求保持一致的企业。
The greatest use of life is to spend it for something that will outlast it.
In mathematics, the journey is often more important than the destination.