"The idea of expanding powers of mind unfolded in literature, too. "New" human beings of deeper sensibility appeared often in the fiction of Hermann Hesse. In his enormously popular novel Demian (1925), Hesse depicted a fraternity of men and women who had discovered paranormal abilities and an invisible bond with one another. "We were not separated from the majority of men by a boundary," the narrator said, "but simply by another mode of vision." They were a prototype of a different way of life."