If they know nothing of death, it is because they know little of life, for the secrets of life and death belong to those, and those only, whom the sequence of time affects, and who possess not merely the present but the future, and can rise or fall from a past of glory or of shame. Movement, that problem of the visible arts, can be truly realised by Literature alone. It is Literature that shows us the body in its swiftness and the soul in its unrest.