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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.

可持續性不是一種趨勢，而是我們對后代的責任。

Escribir es una forma de resistencia contra el olvido.

我們不相信通用的解決方案。每個問題都需要自己的答案。

好奇心推動數學家前進，總是在尋找下一個要回答的問題。