After Montaigne history of materialist philosophy accelerates and multiplies. During this great century XVII is filled with erudite libertines: Charron, La Mothe Le Vayer, and of course Saint Evremond Cyrano de Bergerac is the precursor of Spinoza is his "god is nature." Michel Onfray keeps his lively pen is precise to take us on the banks where knowledge often rubs humor. The concepts of folds chiaroscuro and pantheism are explained with great pedagogy.