Taine justly observes that it was by invoking liberty and fraternity - words very popular at the time - that the Jacobins were able "to install a despotism worthy of Dahomey, a tribunal similar to that of the Inquisition, and to accomplish human hecatombs akin to those of ancient Mexico." The art of those who govern, as is the case with the art of advocates, consists above all in the science of employing words.