Never allow yourself any follies but those which will bring you great pleasure.
This phrase does not appear in Mme de Lambert’s collected works; it was quoted in a biography of the Comte de Plélo in 1876, and repeated by Friedrich Nietzsche in Beyond Good and Evil (1886).
E. J. B. Rathery. Le comte de Plélo, un Gentilhomme français au dix-huitième siècle ; Guérrier, littérateur et diplomate. Paris: Plon, 1876. p. 29.