Simpson in: Elie Alexis Shneour (1966) Extraterrestrial Life: An Anthology and Bibliography. p. 269
“The extensive literature addressed to the definition or characterization of science is filled with inconsistent points of view and demonstrates that an adequate definition is not easy to attain. Part of the difficulty arises from the fact that the meaning of science is not fixed, but is dynamic. As science has evolved, so has its meaning. It takes on a new meaning and significance with successive ages.”
Source: 1960s, Scientific method: optimizing applied research decisions, 1962, p. 1.
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Russell L. Ackoff 70
Scientist 1919–2009Related quotes

Source: Fuzzy sets and fuzzy logic (1995), p. 1.

Source: Religion and the Rebel (1957), p. 309
Context: One cannot ignore half of life for the purposes of science, and then claim that the results of science give a full and adequate picture of the meaning of life. All discussions of 'life' which begin with a description of man's place on a speck of matter in space, in an endless evolutionary scale, are bound to be half-measures, because they leave out most of the experiences which are important to use as human beings.

Source: The God of Jane: A Psychic Manifesto (1981), p. 129

J. J. Sylvester. "A Probationary Lecture on Geometry", Collected Mathematical Papers, Vol. 2 (1908), p. 9 https://babel.hathitrust.org/cgi/pt?id=miun.aas8085.0002.001;view=1up;seq=25

Witold Doroszewski, Z zagadiiien leksykografii polskiej [Selected Problems of Polish Lexicography], Warszawa 1954, p. 93; as cited in Schaff (1962;6).

Christopher Langton, as quoted by John Horgan, The End of Science (1996) p. 201.