The optimum human population of earth is zero.

Our environmental problems originate in the hubris of imagining ourselves as the central nervous system or the brain of nature. We're not the brain, we are a cancer on nature.

The AIDS epidemic, rather than being a scourge, is a welcome development in the inevitable reduction of human population... If it didn't exist, radical environmentalists would have to invent it.

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

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.

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.