We may say that many, if not all, of the personality traits which we have called masculine or feminine are as lightly linked to sex as are the clothing, the manners, and the form of headdress that a society at a given period assigns to either sex.

p. 280, cited in Perspectives in Cultural Anthropology (1987) by Herbert A. Applebaum, p. 141 - Sex and Temperament in Three Primitive Societies (1935)