Although most of the critiques to which my work was exposed in the last years are “so-called,” fast denunciations not worthy of a serious reply, some of them do at least raise pertinent questions : which, exactly, is the status of violence in social life, and how can one justify resort to it? Is in our societies a radical social change — not just a revolt but the imposition of a new order – objectively possible? What is materialism today, beyond the usual versions of deconstructionist discurs...