"Unfortunately, the extensive moralizing within the ecological movement has given the public the false impression that they are being asked to make a sacrifice - to show more responsibility, more concern, a nicer moral standard. But all of that would flow naturally and easily if the self were widened and deepened so that the protection of nature was felt and perceived as protection of our very selves. . . the obvious choice, then, is to extend our notions of self-interest. For example, it would not occur to me to plead with you, 'Don't saw off your leg. That would be an act of violence.' I wouldn't occur to me (or to you), because your leg is part of your body. Well, so are the trees in the Amazon rain basin. They are our external lungs. We are beginning to realize that the world is our body."