“[In England and the United States] all our traditions and all our moral ideals, as well as the law, are energetically opposed to every manifestation of homosexual passion. It requires a very strong impetus to go against this compact social force which on every side constrains the individual into the paths of heterosexual love. That impetus, in a well-bred individual who leads the normal life of his fellow-men and who feels the ordinary degree of respect for the social feeling surrounding him, can only be supplied by a fundamental—usually, it is probably, inborn,—perversion of the sexual instinct, rendering the individual organically abnormal.”