As long as a man's sensibility (Emilius, p. 4, vol. ii.) " is confined to himself, there is no morality in his actions. It is " only when he begins to extend his sensibility to others, that he " first conceives those sentiments, and afterwards, those notions...

v. 1. 1737-1756, lettres 1-249 -- v. 2. 1757-1760, lettres 250-464 -- v. 3.1761-1774, lettres 465-720 -- v. 4. 1774-1800, lettres 721-855 -- v. 5. Quatre nouvelles lettres, errata, additions et modifications, lettres exclues de l'édition proprement dite, généalogies, liste des lettres, index et table des matières.