Von Bertalanffy (1950) " The Theory of Open Systems in Physics and Biology http://vhpark.hyperbody.nl/images/a/aa/Bertalanffy-The_Theory_of_Open_Systems_in_Physics_and_Biology.pdf" In: Science, January 13, 1950, Vol. 111. p. 23
1950s
“Every time a closed system opens, it begins to interact more directly with other existing systems, and therefore acquires all the value of those systems.”
Out of Control: The New Biology of Machines, Social Systems and the Economic World (1995), New Rules for the New Economy: 10 Radical Strategies for a Connected World (1999)
Help us to complete the source, original and additional information
Kevin Kelly 141
American author and editor 1952Related quotes
“The real world is made from open, interacting systems, behaving chaotically.”
D.K. Hitchins (2000) World Class Systems Engineering - the five layer Model; cited in: Neville A. Stanton, Chris Baber, Don Harris (2012) Modelling Command and Control. p. 8
Source: Advanced Systems Thinking, Engineering and Management (2003), p. 80 as cited in: Jung-Ho Lewe (2005) An Integrated Decision-Making Framework for Transportation Architectures https://smartech.gatech.edu/jspui/bitstream/1853/6918/1/Jung-Ho_Lewe_200505_phd.pdf. p.
Source: 1960s - 1970s, The Systems Approach (1968), p. 77; cited in John Gall (1978) Systemantics; how systems work... and especially how they fail
Source: Living systems, 1978, p. 16; As cited in: Sven Rasegård (2002) Man and Science: A Web of Systems and Social Conventions. p. 29

Source: 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.
G. A. Swanson and James Grier Miller (2013) " Living Systems Theory http://www.eolss.net/Sample-Chapters/C02/E6-46-01-03.pdf" in Systems Science and Cybernetics. Vol I.
As quoted in A Modern Introduction to Logic (1930), p. 198.
At the other extreme is a set of parts that are completely unrelated: that is, a change in each part depends only on that part alone. The variation in the set is the physical sum of the variations of the parts. Such behavior is called independent or physical summativity.
Source: Definition of System, 1956, p. 23