In this way people grow up unable to conceive as possible to them a state of total disregard of other people’s interests. They are under a necessity of conceiving themselves as at least abstaining from all the grosser injuries, and (if only for their own protection) living in a state of constant protest against them. They are also familiar with the fact of co-operating with others, and proposing to themselves a collective, not an individual, interest, as the aim (at least for the time being) of their actions. So long as they are co-operating, their ends are identified with those of others;
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