“A useful role exists for the economist is making calculations of the prospective costs and/or benefits of alternative policies. This role is precisely the one Keynes had in mind, I assume, when he expressed the hope that we would become useful after the fashion of dentists.”
"The Effect of Government on Economic Efficiency." 1988
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George Stigler 20
American economist 1911–1991Related quotes
Anish kapoor in conversation with Homi K. Bhabha in 1998. Quoted in pdf, Anish Kapoor, 18 December 2013, Royal Academy Organization http://static.royalacademy.org.uk/files/anish-kapoor-education-guide-558.pdf,

“No more fiction for us: we calculate; but that we may calculate, we had to make fiction first.”
Sec. 624, as translated by Tobias Dantzig in Number, the Language of Science. Fourth edition, New York: Doubleday 1954, p 141. See discussion of this entry for details.
The Will to Power (1888)

Prefaces, Nichol, 1997 p. 39-40
1840s, Prefaces (1844)

“The role of reason is not to make us wise but to reveal our ignorance”
Commonly attributed to Hume, but without any apparent basis.
Misattributed

“Costs do not exist to be calculated. Costs exist to be reduced.”
Taiichi Ohnos Workplace Management: Special 100th Birthday Edition: Special 100th Birthday Edition (ed. McGraw Hill Professional, 2012), ISBN 9780071808019

Source: Debt: The First 5,000 Years (2011), Chapter Eleven, "Age of the Great Capitalist Empires", pp. 319–320

Fifth Lecture, Applications in Statistics and the Theory of Errors, p. 159
Probability, Statistics And Truth - Second Revised English Edition - (1957)