Men and women are not free to love decently until they have analyzed themselves completely and swept away every mystery from sex; and this means the acquisition of a profound philosophical theory based on wide reading of anthropology and enlightened practice.
Love stories are only fit for the solace of people in the insanity of puberty. No healthy adult human being can really care whether so-and-so does or does not succeed in satisfying his physiological uneasiness by the aid of some particular person or not.
This formula of Love is universal; all the laws of Nature are its servitors. Thus, gravitation, chemical affinity, electrical potential, and the rest - and these are alike mere aspects of the general law - are so many differently-observed statements of the unique tendency.