In this extraordinary work Gilles Deleuze, the most renowned living philosopher in France, reflects on one of the figures of the past who has most influenced his own sweeping reconfiguration of the tasks of philosophy. Deleuze's brilliant text shows how current definitions of philosophy do not apply to Spinoza: a solitary thinker (yet scandalous and hated), he conceived of philosophy as an enterprise of liberation and radical demystification much as did Leibniz or, later Nietzsche. Spinoza confronts the grand philosophical problems that are still current today: the comparative role of ontology (… read more .