also argued that suffering is not cumulative between individuals—for example, that it is impossible to add up the suffering of a large number of people with minor headaches to equal the suffering of a single person with a migraine, as a utilitarian might do. This concept was also elegantly expressed many years earlier by the author C. S. Lewis, who wrote: There is no such thing as a sum of suffering, for no one suffers it. When we have reached the maximum that a single person can suffer, we have, no doubt, reached something very horrible, but we have reached all the suffering there can ever be
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