Comments on matrimony (Vernes, Pastor at Geneva, about to marry) and good wishes; he hopes to see a copy of the Genevan edition of his article, 'Economie politique' from the 'Encyclopédie', promoted by Vernes; Voltaire has not written (to acknowledge Rousseau's 'Lettre à d'Alembert'); Tronchin's letter contained judicious criticisms of Rousseau's work; he has not forgotten Vernes' request, but has little time for writing - his illness - has to reply to thousands of letters, entertain visitors; hopes to send Vernes his text ('De l'imitation théâtrale')