In his memorable discussion of envy in A Theory of Justice, John Rawls answers my second question.2 He suggests that there are three conditions under which outbreaks of socially destructive envy are especially likely. First, there is a psychological condition: people lack secure confidence “in their own value and in their ability to do anything worthwhile.” Second, there is a social condition: many circumstances arise when this psychological condition is experienced as painful and humiliating, because the conditions of social life make the discrepancies that give rise to envy highly visible.
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