Something that cannot be explained cannot be seen.

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.

What we need now is the description of the "describer" or, in other words, we need a theory of the observer.

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 a subject's delusion that observing can be done without him.

The environment as we perceive it is our invention.