War is only an invention, not a biological necessity.

Maleness in America is not absolutely defined; it has to be kept and re-earned every day, and one essential element in the definition is beating women in every game that both sexes play.

Ninety-nine percent of the time humans have lived on this planet we've lived in tribes, groups of 12 to 36 people. Only during times of war, or what we have now, which is the psychological equivalent of war, does the nuclear family prevail, because it's the most mobile unit that can ensure the survival of the species. But for the full flowering of the human spirit we need groups, tribes.

In our contemporary world, no one can think or work with a single picture of what a family is. No one can fit all human behavior, all thought and feeling, into a single pattern.

Loving you is just like breathing, as effortless, and as lovely.

Female animals defending their young are notoriously ferocious and lack the playful delight in combat which characterizes the mock combats of males of the same species. There seems very little ground for claiming that the mother of young children is more peaceful, more responsible, and more thoughtful for the welfare of the human race than is her husband or brother.

Anthropology... has always been highly dependent upon photography... As the use of still photography - and moving pictures - has become increasingly essential as a part of anthropological methods, the need for photographers with a disciplined knowledge of anthropology and for anthropologists with training in photography has increased. We expect that in the near future sophisticated training in photography will be a requirement for all anthropologists. (1962)