 She replied stating that Hume's alleged participation in the composition of Horace Walpole's "faux" letter was the reason for Rousseau's anger in her estimate.When Hume learnt that Rousseau was writing the "Confessions", he assumed that the present dispute would feature in the book.Adam Smith, Turgot, Marischal Keith, Horace Walpole, and Mme de Boufflers advised Hume not to make his quarrel with Rousseau public; however, many members of D'Holbach's Coterie—particularly, d'Alembert—urged him to reveal his version of the events.