„We may consequently state the fundamental theorem of Natural Selection in the form : The rate of increase in fitness of any organism at any time is equal to its genetic variance in fitness at that time.“

—  Ronald Aylmer Fisher, buch The Genetical Theory of Natural Selection

Defining the fundamental theorem of natural selection, Ch. 2, p. 35.
The Genetical Theory of Natural Selection (1930)

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Ronald Aylmer Fisher
Genetiker, Evolutionstheoretiker und Statistiker 1890 - 1962

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„In arranging the bodies in order of their electrical nature, there is formed an electro-chemical system which, in my opinion, is more fit than any other to give an idea of chemistry.“

—  Jöns Jacob Berzelius Swedish chemist 1779 - 1848

Jöns Jacob Berzelius, Essai sur le théorie des proportions chimiques (1819). Translated in Henry M. Leicester and Herbert S. Klickstein, A Source Book in Chemistry 1400-1900 (1952), 260.

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„The Services in war time are fit only for desperadoes but, in peace, are fit only for fools.“

—  Benjamin Disraeli British Conservative politician, writer, aristocrat and Prime Minister 1804 - 1881

Book I, Chapter 9.
Books, Coningsby (1844), Vivian Grey (1826)

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Herbert A. Simon Foto

„[Even Darwin’s] natural selection only predicts that survivors will be fit enough, that is, fitter than their losing competitors; it postulates satisficing, not optimizing.“

—  Herbert A. Simon American political scientist, economist, sociologist, and psychologist 1916 - 2001

Quelle: 1980s and later, Models of my life, 1991, p. 166; As cited in Ronald J. Baker (2010, p. 122).

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John Allen Paulos Foto

„For the record, natural selection is a highly nonrandom process that acts on the genetic variation produced by random mutation and genetic drift and results in those organisms with more adaptive traits differentially surviving and reproducing.“

—  John Allen Paulos American mathematician 1945

Part 1 “Four Classical Arguments”, Chapter 2 “The Argument from Design (and Some Creationist Calculations)” (p. 19)
Irreligion: A Mathematician Explains Why the Arguments for God Just Don’t Add Up (2008)

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„I feel I no longer fit in with these times.“

—  Calvin Coolidge American politician, 30th president of the United States (in office from 1923 to 1929) 1872 - 1933

To a friend, shortly before Coolidge's death, as quoted in Coolidge: An American Enigma (1998), by Robert Sobel, Regnery Publishing, p. 410.

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