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The first fruit of this imagination - and the first lesson of the social science that embodies it - is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.

The best way to predict the future is to create it.

The only way to learn mathematics is to do mathematics.

最好的投資建議往往是最簡單的：分散投資、保持低成本并堅持到底。