„How can we design improvement in large systems without understanding the whole system, and if the answer is that we cannot, how is it possible to understand the whole system?“

C. West Churchman, Challenge to Reason (1968), p. 2; cited in '" C. West Churchman — 75 years" by Werner Ulrich, in Systems Practice (December 1988), Volume 1, Issue 4, p. 341-350
1960s - 1970s

Última atualização 22 de Maio de 2020. História
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„How simple it seems now. We thought the Sermon on the Mount was a nice allegory and nothing more. What we didn't understand until we got to be a little older was that it was the whole answer, the whole truth.“

—  Mario Cuomo American politician, Governor of New York 1932 - 2015

Address at Iona College (1984)
Contexto: How simple it seems now. We thought the Sermon on the Mount was a nice allegory and nothing more. What we didn't understand until we got to be a little older was that it was the whole answer, the whole truth. That the way — the only way — to succeed and to be happy is to learn those rules so basic that a shepherd's son could teach them to an ignorant flock without notes or formulae. <!-- p. 934

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„Analysis of a system reveals how it works; it provides know-how, knowledge, not understanding; that is, explanations of why it works the way it does.“

—  Russell L. Ackoff Scientist 1919 - 2009

This [understanding of why systems work] requires synthetic thinking... Analysis is the way scientists conduct research. Synthetic thinking is exemplified by design.
Ackoff & Greenberg (2008) Turning Learning Right Side Up. p. 61 as cited in: Stephen M Millett (2011) Managing the Future: A Guide to Forecasting and Strategic Planning. p. 52.
2000s

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„As we begin to understand complex systems, we begin to understand that we’re part of an ever-changing, interlocking, non-linear, kaleidoscopic world.“

—  W. Brian Arthur American economist 1946

W. Brian Arthur in: Mitchell M. Waldrop (2004) Complexity: The Emerging Science at the Edge of Order and Chaos http://books.google.nl/books?id=VP9TWZtVvq8C&pg=PA333. p. 333

„You cannot sum up the behavior of the whole from the isolated parts, and you have to take into account the relations between the various subordinate systems which are super-ordinated to them in order to understand the behavior of the parts.“

—  Ludwig von Bertalanffy austrian biologist and philosopher 1901 - 1972

Fonte: General System Theory (1968), 3. Some System Concepts in Elementary Mathematical Consideration, p. 68 cited in: T.E. Weckowicz (1989). Ludwig von Bertalanffy (1901-1972): A Pioneer of General Systems Theory. Working paper Feb 1989. p. 2

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„Systems analysis, conceived in a policy sciences framework, is the macro instrument of the systems manager for understanding, evaluating and improving human systems — which are defined as goal oriented interdependent units incorporating people, organization and some form of technology for control, administration or output.“

—  Richard F. Ericson American academic 1919 - 1993

Richard F. Ericson (1979) Improving the human condition: quality and stability in social systems : proceedings of the Silver Anniversary International Meeting, London, England, August 20-24, 1979. Society for General Systems Research. p. 621

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