The closest friends I made all through life have been people who also grew up close to a loved and loving grandmother or grandfather.

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.

Human beings do not carry civilization in their genes. All that we do carry in our genes are certain capacities- the capacity to learn to walk upright, to use our brains, to speak, to relate to our fellow men, to construct and use tools, to explore the universe, and to express that exploration in religion, in art, in science, in philosophy.

Women have an important contribution to make.

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.

It is not until science has become a discipline to which the research ability of any mind from any class in society can be attracted that it can become rigorously scientific.

Everyone needs to have access both to grandparents and grandchildren in order to be a full human being.