"That human nature and society can have conflicting demands, and hence that a whole society can be sick, is an assumption which was made very explicitly by Freud, most extensively in his Civilization and Its Discontent. ...he arrives at the concept of "social neurosis." "If the evolution of civilization," he writes, "has such a far-reaching similarity with the development of an individual, and if the same methods are employed in both, would not the diagnosis be justified that many systems of civilization — or epics of it — possibly even the whole of humanity — have become 'neurotic' under the pressure of the civilizing trends?"