These doctrines of Lotze, though pronounced with the distinct and reiterated reservation that they did not contain a solution of the philosophical question regarding the nature of mechanism, were nevertheless by many considered to be the last word of the philosopher, a decisive rejection of the reveries of Schelling and the idealistic theories of Hegel. Published as they were during the years when the modern school of German materialism was at its height, these works of Lotze were enrolled in the opposing camp of empirical philosophy.