The earth is not a mechanism but an organism, a being with its own life and its own reasons, where the support and sustenance of the human animal is incidental. If man in his newfound power and vanity persists in the attempt to remake the planet in his own image, he will succeed only in destroying himself — not the planet. The earth will survive our most ingenious folly.

Shadows from the Big Woods, p. 225 - The Journey Home (1977)