
Cited from Lord Rayleigh, The Life of Sir J. J. Thomson (1943), p. 199.
Attributed
Letter to Henrietta Jevons (28 February 1858), published in Letters and Journal of W. Stanley Jevons (1886), edited by Harriet A. Jevons, his wife, p. 101.
Context: You will perceive that economy, scientifically speaking, is a very contracted science; it is in fact a sort of vague mathematics which calculates the causes and effects of man's industry, and shows how it may be best applied. There are a multitude of allied branches of knowledge connected with mans condition; the relation of these to political economy is analogous to the connexion of mechanics, astronomy, optics, sound, heat, and every other branch more or less of physical science, with pure mathematics.
Cited from Lord Rayleigh, The Life of Sir J. J. Thomson (1943), p. 199.
Attributed
Edward Mailly, Essai sur la vie et les ouv rages de Quetelet in the Annuaire de Vacadimie royale des sciences des lettres et des beaux-arts de Belgique (1875) Vol. xli pp. 109-297 found also in "Conclusions" of Instructions populaires sur le calcul des probabilités p. 230
The Notebooks of Leonardo da Vinci (1883), XIX Philosophical Maxims. Morals. Polemics and Speculations.
in his review of Joseph Beskiba's textbook, published in the Österreichische Blätter für Literatur und Kunst (September 7, 1844), as quoted by [Peter Schuster, Moving the stars: Christian Doppler, his life, his works and principle, and the world after, Living edition, 2005, 3901585052, 78]
Source: The Metropolis and Modern Life (1903), p. 414
François Quesnay in letter to Mirabeau (Archives Nationales, Ms. 779, 4 bis, p.2 note); as cited in: Richard Van Den Berg and Albert Steenge. "Tableaux and Systèmes. Early French Contributions to Linear Production Models." Cahiers d'économie Politique/Papers in Political Economy 2 (2016): 11-30.
Chap. 5 : Tales of Theory and Experiment
Dreams of a Final Theory (1992; 2nd edition 1994)
Source: 1990s and beyond, The Book of Probes : Marshall McLuhan (2011), p. 303
Elton Mayo, “Irrationalty and Revery”, Journal of Personnel Research, March 1933, p.482; Cited in: Ionescu, G.G., & A.L. Negrusa. "Elton Mayo, an Enthusiastical Managerial Philosopher." Revista de Management Comparat International 14.5 (2013): 671.
Methods of Mathematics Applied to Calculus, Probability, and Statistics (1985)