The writer reflects on the futility and effort of their work, comparing it to insects that live briefly after long preparation, and urges the recipient to consider their article on ‘Ancients and Moderns’ as a matter of taste. They discuss the value of scientific knowledge despite its complexity and highlight their own role in supporting a colony established with the aid of Madame la Duchesse de Choiseul. Additionally, they mention sending a legal memorandum related to Franche-Comté, expressing frustration with ecclesiastical and feudal systems, and reaffirm their resignation to the world’s fate while cherishing the friendship of the recipient.