Marx, as a thinker, is on the right track. He has established as a principle that all the political, religious and legal evolutions in history are not causes, but effects of the economic evolutions. It is a great and productive thought, that he has not absolutely invented: it has been glimpsed, expressed in part, by many others than him; but finally, to him belongs the honor of having solidly established it and having posited it as the basis of his whole economic system. On the other hand, Proudhon understand and felt liberty beaucoup much better than him—Proudhon, when he did not engage in doctrine and metaphysics, had the true instinct of the revolutionary—he adored Satan and he proclaimed an-archy. It is quite possible that Marx could raise himself theoretically to an even more rational system of liberty than Proudhon—but he lacks Proudhon’s instinct. […]