A backward glance—The sun the natural god—Comparison with libido—Libido, “sun-energy”—The sun-image as seen by the mystic in introversion—The phallic symbol of the libido—Faust’s key—Mythical heroes with phallic attributes—These heroes personifications of the human libido and its typical fates—A definition of the word “libido”—Its etymological context. II.— THE CONCEPTION AND THE GENETIC THEORY OF LIBIDO 139 A widening of the conception of libido—New light from the study of paranoia—The impossibility of restricting the conception of libido to the sexual—A genetic definition—The function of reality only partly sexual—Yet this, and other functions, originally derivations from procreative impulse—The process of transformation—Libido, and the conception of will in general—Examples in mythology—The stages of the libido: its desexualized derivatives and differentiations—Sublimation vs. repression—Splittings off of the primal libido—Application of genetic theory of libido to introversion psychoses—Replacing reality by archaic surrogates—Desexualizing libido by means of phantastic analogy formations—Possibly human consciousness brought to present state in this manner—The importance of the little phrase: “Even as.” III.— THE TRANSFORMATION OF THE LIBIDO. A POSSIBLE SOURCE OF 157 PRIMITIVE HUMAN DISCOVERIES