We shall try later (in the Conclusion) to answer the question, _Why_ is one imaginative? In passing, let us put the opposite question, Why is one _not_ imaginative? One may possess in the mind an inexhaustible treasure of facts and images and yet produce nothing: great travelers, for example, who have seen and heard much, and who draw from their experiences only a few colorless anecdotes; men who were partakers in great political events or military movements, who leave behind only a few dry and chilly memoirs; prodigies of reading, living encyclopedias, who remain crushed under the load of their erudition. On the other hand, there are people who easily move and act, but are limited, lacking images and ideas. Their intellectual poverty condemns them to unproductiveness; nevertheless, being nearer than the others to the imaginative type, they bring forth childish or chimerical productions. So that we may answer the question asked above: The non-imaginative person is such from lack of materials or through the absence of resourcefulness. Without contenting ourselves with these theoretical remarks, let us rapidly show that it is thus that these things actually happen. All the work of the creative imagination may be classed under two great heads--esthetic inventions and practical inventions; on the one hand, what man has brought to pass in the domain of art, and on the other hand, all else. Though this division may appear strange, and unjustifiable, it has reason for its being, as we shall see hereafter.