The environment as we perceive it is our invention.

Something that cannot be explained cannot be seen.

Should one name one central concept, a first principle, of cybernetics, it would be circularity.

Hard sciences are successful because they deal with the soft problems; soft sciences are struggling because they deal with the hard problems.

First-order cybernetics is the science of observed systems; Second-order cybernetics is the science of observing systems.

Objectivity is the delusion that observations could be made without an observer.

Either Stone Age man was a technological wizard, who carefully removed his technological achievements so as not to upset his inferior progeny, or our population dwindled from a once astronomical size to the mere three billions of today.