Categorically denying all certainties, Montaigne is generally seen as one of the re-founders (or for others, even one of the inventors) of skepticism, of which his mantra “What do I know?" underscores his underlying principle. Perhaps the single most important theme throughout Montaigne’s work is his critique of dogmatic thinking. Montaigne argues in favor of a philosophy no longer governed by doctrines in place of universal rules and truths. As indicated above, Montaigne does indeed believe in the existence of truth, yet, this truth cannot just come “from outside.