“We reduce the complexity of the variety of the world in experiments whose results are validated by their repeatability, and we may build knowledge by the refutation of hypotheses.”

Source: Systems Thinking, Systems Practice, 1981, p. 51 cited in: Rosário Macário (2011) Managing Urban Mobility Systems. p. 52

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Peter Checkland 10
British management scientist 1930

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“Cursory inspection of the world suggests it is a giant complex with dense connections between its parts. We cannot cope with it in that form and are forced to reduce it to some separate areas which we can examine separately.”

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