In relation to the natural world, the pleasure of Americans can be destructive in the same way that their work has already proved to be. It is not, certainly, a conscious destructiveness. But in that very unconsciousness it becomes an aspect of one of our worst national failings: our refusal to admit the need to be conscious. Or to put it more meaningfully: our refusal to admit that unconsciousness, in our time, is almost inevitably destructive.