The United States has the power to destroy the world, but not the power to save it alone. - Margaret Mead

Sister is probably the most competitive relationship within the family, but once the sisters are grown, it becomes the strongest relationship.

How are men and women to think about their maleness and their femaleness in this twentieth century, in which so many of our old ideas must be made new? Have we over-domesticated men, denied their natural adventurousness, tied them down to machines that are after all only glorified spindles and looms, mortars and pestles and digging sticks, all of which were once women's work? Have we cut women off from their natural closeness to their children, taught them to look for a job instead of the touch of a child's hand, for status in a competitive world rather than a unique place by a glowing hearth? In educating women like men, have we done something disastrous to both men and women alike, or have we only taken one further step in the recurrent task of building more and better on our original human nature?

It [this book] is, very simply, an account of how three primitive societies have grouped their social attitudes towards temperament about the very obvious facts of sex-difference.