A society should never become like a pond with stagnant water, without movement. That's the most important thing.

We must speak more clearly about sexuality, contraception, about abortion, about values that control population, because the ecological crisis, in short, is the population crisis. Cut the population by 90% and there aren't enough people left to do a great deal of ecological damage.

My life's work has been accomplished. I did all that I could.

Putin wants to stay in power, but not so that he can finally solve our most pressing problems: education, health care, poverty.

Contemporary social democracy is what I believe is the right concept.

We need a new system of values, a system of the organic unity between humankind and nature and the ethic of global responsibility.

The threat of environmental crisis is the 'international disaster key' to unlock the New World Order.