At the close of the nineteenth century (at the time of the discovery of psychoanalysis, or thereabouts), it had become a speech that inscribed inside itself the principle of its own decoding; or in any case, it supposed, beneath each of its sentences, each of its words, the sovereign power to modify the values and meanings of the language to which despite everything (and in fact) it belonged; it suspended the reign of language in the present of a gesture of writing.