The scientist has to have a way of thinking about the environment of a system that is richer and more subtle than a mere looking at for boundaries. H… - C. West Churchman

Common to all these enemies is that none of them accepts the reality of the "whole system": we do not exist in such a system. Furthermore, in the case of morality, religion, and aesthetics, at least a part of our reality reality as human is not "in" any system, and yet it plays a central role in our lives. To me these enemies provide a powerful way of learning about the systems approach, precisely because they enable the rational mind to step outside itself and to observe itself (from the vantage point of the enemies).

A system may actually exist as a natural aggregation of component parts found in Nature, or it may be a man-contrived aggregation – a way of looking at a problem which results from a deliberate decision to assume that a set of elements are related and constitute such a thing called ‘a system.

The complete analysis of the methods of scientific inference shows that the theory of inference in science demands the use of ethical judgments