We know that our whole social language is an intricate system of rhetorical devices designed to escape the direct expression of desires that are, in the fullest sense of the term, unnameable–not because they are ethically shameful (for this would make the problem a simple one), but because unmediated expression is a philosophical impossibility.
Paul de Man
About Efecto Secundario
Leonardo Casas, artist and academic.
 De Man, P. (1972). Blindness and Insight. Essays in the Rhetoric of Contemporary Criticism. New York: Oxford University Press.