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不要讓他人意見的噪音淹沒了你內心的聲音。

Happiness and unhappiness depend upon the opinion we have of things.

The scientific study of behavior must be based on objective, measurable data.

告別昨日是如此艱難

The goal is not just to design a market, but to design one that works well in practice.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

沒有什么比煤礦工人更美國了。