Charles-joseph De Ligne frasi celebri
“Grattate il Russo e troverete il Cosacco (o il Tartaro).”
da Hertslet, Treppenwitz der Weltgeschichte, IV. Aufl. [Berlin, 1895], pag. 360; citato in Giuseppe Fumagalli, Chi l'ha detto?, Hoepli, 1921, p. 338
Charles-joseph De Ligne: Frasi in inglese
“The congress of Vienna does not walk, but it dances.”
Le congrès ne marche pas, il danse.
Reported in the Edinburgh Review, July 1890, p. 244, which praised it as part of "[o]ne of the Prince de Ligne's speeches that will last forever".