In this letter, the writer expresses admiration for the philosophical insights of the recipient, noting the intellectual calibre of French postmasters and reflecting on a past visit to the Château des Ormes. They acknowledge their own doubts compared to the recipient’s philosophical stance, referencing historical figures like Simonides to illustrate the complexity of seeking definitive answers about existential questions. Despite their physical distance and declining health, the writer conveys deep respect for the recipient and their work, affirming a lasting connection and appreciation.