Laughter is man's most distinctive emotional expression. - Margaret Mead

Coming to terms with the rhythms of women's lives means coming to terms with life itself, accepting the imperatives of the body rather than the imperatives of an artificial, man-made, perhaps transcendentally beautiful civilization. Emphasis on the male work-rhythm is an emphasis on infinite possibilities; emphasis on the female rhythms is an emphasis on a defined pattern, on limitation.

[In Western Samoa] native theory and vocabulary recognized the real pervert who was incapable of normal heterosexual response.

"The notion that we are products of our environment is our greatest sin; we are products of our choices."
Margaret Mead
(this may not be her exact wording, but it's close enough).