" The doctrine of spontaneous naturalism of Renaissance comes from the same source as the theory that the fight against the spirit of authority and hierarchy, the ideal of freedom of thought and freedom of conscience, the emancipation of the individual and the principle of democracy are achievements of fifteenth century. In all this light of the modern age is contrasted with the darkness of the Middle Ages. "

― Arnold Hauser , The Social History of Art: Volume 2: Renaissance, Mannerism, Baroque