I have been accused of having believed when I wrote Sex and Temperament that there are no sex differences … This, many readers felt, was too much. It was too pretty. I must have found what I was looking for. But this misconception comes from a lack of understanding of what anthropology means, of the open-mindedness with which one must look and listen, record in astonishment and wonder, that which one would not have been able to guess.

Preface of 1950 edition of Sex and Temperament in Three Primitive Societies (1935), p. xxvi