Autograph letter signed ("JJRousseau").
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To Mr. Mussard, in French, informing him that Rousseau's play, Narcissus, is to be performed tomorrow and urging him not to tell anyone. "I make good my promise, Sir, in notifying you that we are giving tomorrow, Monday, the first and probably only showing of Narcissus. If you definitely want to see it, I advise you to come here tomorrow, and if you are as indifferent to its fate as I am, I advise you not to come. In any event, I urge you to keep it secret. Messrs. de Gauffecourt, d'Holbach, Grimm, you, and La Noue are alone in my confidence; the others only have suspicions that should not be confirmed [...]" (transl. from the French original). - Rousseau's play "Narcissus: or The Self-Admired" was only performed twice in his lifetime: in Paris, on December 18, 1752, and again on the 20th.