Today we take it for granted that inside the self we present to others, there lies another, truer self, but the idea was still fresh in the 1780s when Jean-Jacques Rousseau announced triumphantly: I am forming an undertaking which has no precedent, and the execution of which will have no imitator whatsoever. I wish to show my fellows a man in all the truth of nature; and this man will be myself. Myself alone. I feel my heart and I know men. I am not made like any of the ones I have seen; I dare to believe that I am not made like any that exist. If I am worth no more, at least I am different.4
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