The philosopher Martha Nussbaum has taken the idea a step further and laid out a set of “fundamental capabilities” that all people should be given the opportunity to exercise.3 One can think of them as the justifiable sources of satisfaction and fulfillment that human nature makes available to us. Her list begins with capabilities that, as we have seen, the modern world increasingly allows people to realize: longevity, health, safety, literacy, knowledge, free expression, and political participation. It goes on to include aesthetic experience, recreation and play, enjoyment of nature,
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