As cited in: Joseph E. Kasser (2010) " Seven systems engineering myths and the corresponding realities http://www.synergio.nl/media/59286/7_myths_of_se.pdf"
Towards a System of Systems Methodologies (1984)
“No classification is complete and perfect for all purposes.”
Source: An approach to general systems theory (1969), p. 69.
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George Klir 16
American computer scientist 1932–2016Related quotes
Source: Classification and indexing in science (1958), Chapter 1: The need for classification, p. 3.
Preface to the first edition.
Classification and indexing in science (1958)

“The Revolution will be complete when the language is perfect.”
Source: 1984

“For crude classifications and false generalisations are the curse of all organised human life.”
Source: A Modern Utopia (1905), Ch. 10, sect. 1

Source: Humanity Comes of Age, A study of Individual and World Fulfillment (1950), Chapter II Planning a Model World

Loving v. Virginia http://www.amazon.com/Everyone-African-Science-Explodes-Myth/dp/1633880184/ref=asap_bc?ie=UTF8 (1967).
1960s