Never Get Into An Argument With A Customer. If You Win The Argument You Will Almost Invariably Lose The Sale. And I Don't Like Your Chances For A Sale If You Lose The Argument Either.

We advocate biodiversity for biodiversity's sake. It may take our extinction to set things straight.

The optimum human population of earth is zero.

The human race could go extinct and I for one would not shed any tears.

There is no more honorable thing any of us can do with our lives than to work to put part of the world off-limits to the activities of human beings.

My three main goals would be to reduce human population to about 100 million worldwide, destroy the industrial infrastructure and see wilderness, with it's full complement of species, returning throughout the world.

Free shackled rivers!...The finest fantasy of eco-warriors in the West is the destruction of [Glen Canyon] Dam and the liberation of the Colorado [River].