Biodiversity can't be maintained by protecting a few species in a zoo, or by preserving greenbelts or national parks. To function properly, nature needs more room than that. It can maintain itself, however, without human expense, without zookeepers, park rangers, foresters or gene banks. All it needs is to be left alone.
Donella MeadowsHow do we appreciate the good without letting it be the enemy of the perfect? How do we keep a step in the right direction from becoming a stopping point? How do we get beyond shades of insipid light green?
Donella MeadowsModels can easily become so complex that they are impenetrable, unexaminable, and virtually unalterable.
Donella MeadowsIn 1994 the U.S. Court of Appeals decided in the case of Oliver North to permit the release of grand jury evidence, because it had already been so thoroughly leaked
Donella MeadowsI call the transformed world toward which we can move โsustainable,โ by which I mean a great deal more than a world that merely sustains itself unchanged. I mean a world that evolves, as life on earth has evolved for three billion years, toward ever greater diversity, elegance, beauty, self-awareness, interrelationship, and spiritual realization.
Donella Meadows