Mankind must have its hero. The demand for him is more insistent than hunger, more inexorable than cold or fear. Before a race builds houses or prepares food with its hands, it creates in its mind that demigod, that superman, standing on a higher plane than the rest of humanity, more admirable, more powerful than the others. We must have him as a symbol of something greater than ourselves, to keep alive in us that faith in life which is threatened...