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The challenge is not just to give people money but to understand how they make decisions under constraints.

不經歷風雨，怎么見彩虹。

The stars shall fade away, the sun himself grow dim with age, and nature sink in years; but thou shalt flourish in immortal youth.

Let me explain. I think it would be very unusual for anyone here, or anyone watching, to be envious of the Queen of England. Even though she is much richer than any of you are, and she's got a very large house, the reason why we don't envy her is because she's too weird.