The discussion of the sexual problem is only a somewhat crude prelude to a far deeper question, and that is the question of the psychological relationship between the sexes. In comparison with this the other pales into insignificance, and with it we enter the real domain of woman. Woman's psychology is founded on the principle of Eros, the great binder and loosener, whereas from ancient times the ruling principle ascribed to man is Logos.

"Woman in Europe" (1927). In CW 10: Civilization in Transition. P.254