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“[Mistake 2:] Managers need all the information they want. Most MIS designers "determine" what information is needed by asking managers what information they would like to have. This is based on the assumption that managers know what information they need and want.”

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Russell L. Ackoff

As cited in: Merrill J. Riley (1981) Management information systems. p. 114.
1960s, Management misinformation systems, 1967

“The effort to get rid of what we do not want is reactive, retrospectively oriented problem solving. The effort to obtain what we want is proactive, prospectively oriented problem solving.”

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Russell L. Ackoff

Cited in: Chris Griffiths, Melina Costi (2011) GRASP: The Solution. p. 64.
1970s, The Art of Problem Solving, 1978

“Doing philosophy was an opportunity to learn something new. I expected this to be an adjunct to my practice of architecture. But it turned out the other way. It turned out that the philosophy of science gave me the opportunity to design social systems, and I was more interested in people-oriented systems than in buildings. They were both design, but different kinds of design. I like creating things.”

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Russell L. Ackoff

Ackoff cited in: Carole Novak (2000) " Interview with Russell L. Ackoff http://www.ait.net/technos/tq_09/3ackoff.php". in: Technos Quartely. Fall 2000 Vol. 9 No. 3. This quote is the answer to the question, why Ackoff switched from architecture to philosophy in his graduate studies.
2000s

“In the last two decades we have witnessed the emergence of the "system" as a key concept in scientific research. Systems, of course, have been studied for centuries, but something new has been added… The tendency to study systems as an entity rather than as a conglomeration of parts is consistent with the tendency in contemporary science no longer to isolate phenomena in narrowly confined contexts, but rather to open interactions for examination and to examine larger and larger slices of nature. Under the banner of systems research (and its many synonyms) we have also witnessed a convergence of many more specialized contemporary scientific developments… These research pursuits and many others are being interwoven into a cooperative research effort involving an ever-widening spectrum of scientific and engineering disciplines. We are participating in what is probably the most comprehensive effort to attain a synthesis of scientific knowledge yet made.”

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Russell L. Ackoff

Ackoff (1959), "Games, Decisions and Organizations," General Systems, 4 (1959), p. 145-150; cited in: Ludwig von Bertalanffy (1968) General System Theory. p. 9.
1950s

“We have also come to realize that no problem ever exists in complete isolation. Every problem interacts with other problems and is therefore part of a set of interrelated problems, a system of problems I choose to call such a system a mess … Furthermore solutions to most problems produce other problems… a financial problem, a maintenance problem, and conflict among family members for its use.”

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Russell L. Ackoff

Quelle: 1970s, Redesigning the future, 1974, p. 21 as cited in: Frederick M. Zimmerman (2011) From Riches to Rags at a Time of Prosperity, p. 12.

“Systems science and technology constitute one aspect of systems thinking, but the humanities and arts make up the other. The fact that design plays such a large part in the systemic treatment of problems makes it apparent that art has a major role in it as well. Ethics and aesthetics are integral aspects of evaluating systems… the systems approach involves the pursuit of truth (science) and its effective use (technology), plenty (economics), the good (ethics and morality), and beauty and fun (aesthetics). To compare systems methodology with that of any of the so-called ‘hard’ disciplines—for example, physics—is to misunderstand the nature of systems. The worry is not that the systems approach is not scientific in the sense which physics or chemistry or biology is, but that some try to make it scientific in that sense. To the extent they succeed, they destroy it.”

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Russell L. Ackoff

Ackoff (1999). "Disciplines, the two cultures and the scianities". Systems Research and Behavioral Science. 16 (6), p. 537. Cited in: Sherryl Stalinski (2005) A Systems View of Social Systems, Culture and Communities. Saybrook Graduate School. p. 5.
1990s

“Because the Systems Age is teleologically oriented, it is preoccupied with systems that are goal-seeking or purposeful, that is, systems that can display choice of either means or ends, or both. It is interested in purely mechanical systems only.”

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Russell L. Ackoff

Quelle: 1970s, Redesigning the future, 1974, p. 18.

“Most corporate mission statements are worthless…. [Corporations] often formulate necessities as objectives: For example, 'to achieve sufficient profit.' This is like a person saying his mission is to breathe sufficiently”

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Russell L. Ackoff

Russel L. Ackoff, (1987) "Mission statements", in: Strategy & Leadership, Vol. 15 Iss: 4, pp.30 - 31.
1980s

“Analysis of a system reveals its structure and how it works. It provides the knowledge required to make it work efficiently and to repair it when it stops working. Its product is know-how, knowledge, not understanding. To enable a system to perform effectively we must understand it—we must be able to explain its behavior—and this requires being aware of its functions in the larger systems of which it is a part.”

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Russell L. Ackoff

Quelle: 1990s, Re-Creating the Corporation (1999), p. 12.

“A system is more than the sum of its parts; it is an indivisible whole.”

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Russell L. Ackoff

It loses its essential properties when it is taken apart. The elements of a system may themselves be systems, and every system may be part of a larger system.
Ackoff (1973) "Science in the Systems Age: beyond IE, OR and MS." in: Operations Research Vol 21, pp. 664.
1970s