“but, in reality, there is no such thing as an exact science.”
William Stanley Jevons The Theory of Political Economy
Source: The Theory of Political Economy (1871), Chapter I, Introduction, p. 40.
“The science of arithmetic may be called the science of exact limitation of matter and things in space, force, and time.”
Source: Talks on Pedagogics, (1894), p. 64. Reported in Robert Edouard Moritz. Memorabilia mathematica; or, The philomath's quotation-book https://archive.org/stream/memorabiliamathe00moriiala#page/81/mode/2up, (1914), p. 263
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Francis Wayland Parker5
Union Army officer 1837–1902Related quotes
Paul A. Samuelson (1915–2009) American economist
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George Holmes Howison (1834–1916) American philosopher
Journal of Speculative Philosophy, Vol. 5, p. 175. Reported in: Memorabilia mathematica or, The philomath's quotation-book, by Robert Edouard Moritz. Published 1914
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“The whole subject-matter of exact science consists of pointer readings and similar indications.”
Arthur Stanley Eddington (1882–1944) British astrophysicist
Source: The Nature of the Physical World (1928), Ch. 10 The New Quantum Theory <!-- p. 219 -->
Howard H. Aiken (1900–1973) pioneer in computing, original conceptual designer behind IBM's Harvard Mark I computer
"Proposed Automatic Calculating Machine" (1937)
Henri Poincaré book Science and Hypothesis
Source: Science and Hypothesis (1901), Ch. I. (1905) Tr. George Bruce Halstead
“Science may set limits to knowledge, but should not set limits to imagination.”
Bertrand Russell (1872–1970) logician, one of the first analytic philosophers and political activist
1940s, A History of Western Philosophy (1945)
“Politics is not an exact science.”
Otto von Bismarck (1815–1898) German statesman, Chancellor of Germany
Die Politik ist keine exakte Wissenschaft.
Speech to Prussian upper house (18 December 1863)
Politics is not a science, as the professors are apt to suppose. It is an art.
Expression in the Reichstag (1884), as quoted in The Quote Verifier : Who Said What, Where, and When (2006) by Ralph Keyes
1860s
Variant: Die Politik ist keine Wissenschaft, wie viele der Herren Proffessoren sich einbilden, sondern eine Kunst.
“Economics is not an exact science.”
John Kenneth Galbraith (1908–2006) American economist and diplomat
Source: The Age of Uncertainty (1977), Chapter 1, p. 36