My heroes used to be cowboys.

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].

Phasing out the human race will solve every problem on earth, social and environmental.

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.

When a chainsaw rips into a 2,000 year old redwood tree, it's ripping into my guts. When a bulldozer plows through the Amazon rainforest, it's ripping through my side. And when a Japanese whaling ship fires an exploding harpoon into a great whale it's my heart that's being blown to smithereens.

Humanity is the cancer of nature.

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.