It has been a woman's task throughout history to go on believing in life when there was almost no hope.

If man has not found ways to deal with environmental problems such as water and air pollution by 1998, it will be too late. The future is not determined and it lies in our own hands.

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.

Photographs [are] of course heavily dependent upon the culture, the disciplinary point of view and the idiosyncratic vision of the particular photographer-analyst.

For art to be reality, the whole sensuous being must be caught up in the experience.

Even very recently, the elders could say: 'You know, I have been young and you never have been old.' But today's young people can reply: 'You never have been young in the world I am young in, and you never can be.' ... the older generation will never see repeated in the lives of young people their own unprecedented experience of sequentially emerging change. This break between generations is wholly new: it is planetary and universal.

No society has ever yet been able to handle the temptations of technology to mastery, to waste, to exuberance, to exploration and exploitation... We have to learn to cherish this earth and cherish it as something that's fragile, that's only one, it's all we have... We have to use our scientific knowledge to correct the dangers that have come from science and technology.