Source: The Fall of Hyperion (1990), Chapter 41 (p. 419)
“… the best causes tend to attract to their support the worst arguments, which seems to be equally true in the intellectual and in the moral sense.”
Statistical Methods and Scientific Inference, Edinburgh: Oliver and Boyd, 1956, p. 31.
1950s
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Ronald Fisher 28
English statistician, evolutionary biologist, geneticist, a… 1890–1962Related quotes

1870s, On the Hypothesis that Animals are Automata, and Its History (1874)

De la supériorité des mœurs sur les lois (1831) Oeuvres complètes, vol. VIII, p. 286 https://books.google.de/books?id=yrMFAAAAQAAJ&pg=PA286&dq=meilleures.
Original text:
Les meilleures lois ne peuvent faire marcher une constitution en dépit des mœurs ; les mœurs tirent parti des pires lois. C'est là une vérité commune, mais à laquelle mes études me ramènent sans cesse. Elle est placée dans mon esprit comme un point central. Je l'aperçois au bout de toutes mes idées.
1830s
Context: The best laws cannot make a constitution work in spite of morals; morals can turn the worst laws to advantage. That is a commonplace truth, but one to which my studies are always bringing me back. It is the central point in my conception. I see it at the end of all my reflections.

Letter to Mandell Creighton (5 April 1887), published in Historical Essays and Studies, by John Emerich Edward Dalberg-Acton (1907), edited by John Neville Figgis and Reginald Vere Laurence, Appendix, p. 504; also in Essays on Freedom and Power (1972)