"Every calorie says yes to life!" -Murray N. Rothbard

"Thymological experience is what we know about human value judgments, the actions determined by them, and the responses these actions arouse [...] This experience stems either from introspection or from intercourse with other men." -Ludwig von Mises, 'Theory and History' (1957)

Friedrich A. Hayek on students he doesn't like. From an interview with Robert Chitester (1978)

"I think you do not duly appreciate the comparative importance of preparation and performance; or perhaps, as I may illustrate it, of capital and labour." -William Stanley Jevons, to his sister Henrietta (January 30, 1859)

"Why are tropical races dark? Northern races vigorous and industrious?" - Herbert J. Davenport in 'Outlines of Elementary Economics' (1897)

"The more significant the theory, the more unrealistic the assumptions." -Milton Friedman, 'Essays in Positive Economics' (1953)

Frank Knight's first assumption in his perfect competition model. From 'Risk, Uncertainty and Profit' (1921)

"The Doctrine of K bears, in fact, striking resemblances to the teachings of Anaximander. It is known, moreover, that in some other depts a 'Doctrine of M' is taught but we do not as yet have an understandable account of it." -Axel Leijonhufvud, "Life Among the Econ" (1973)

"It is beyond human power to make a Negro white." -Mises, Liberalism (1927)

"For a world that is always in equilibrium there is no difference between the future and the past, there is no history and there is no need for Keynes." -Joan Robinson, "What has Become of the Keynesian Revolution" in 'Collected Economic Papers' 5.

In Rhodesia, "the combination of ideology, obsession, hypocrisy, stupidity and masochism has reached a new height. If a white developing country proves that development aid is unnecessary, [the country] has to be destroyed." -Wilhelm Röpke, to Albert Hunold (Nov. 15, 1965).

"Prime Minister Kim Il Sung seems to function as a messiah rather than a dictator." -Joan Robinson, "Korean Miracle" (1965).

"With one Englishmen, I could have done more than I did with those eight Frenchman. It cannot be called work they do: it is only looking at it and wishing it be done." -An Englishman who worked in France, speaking at the Parliamentary Committee on Artisans and Machinery (1824).

"A member of the human race who is completely incapable of understanding the higher productivity of labor performed under a division of labor based on private property is not properly speaking a person (a persona)." -Hans-Hermann Hoppe, 'Democracy: The God that Failed' (2001).

"Did the Niagara roar before there were ears? What is sound?" -Herbert J. Davenport, 'Outlines of Economic Theory' (1896).

Of unskilled laborers: "It is much better to enact a minimum-wage law, even if it deprives these unfortunates of work. Better that the state should support the inefficient wholly and prevent the multiplication of the breed than subsidize incompetence." -Royal Meeker (1910).

"It is evident that all organic reactions relate to future situations, farther in the future as the type of life and activity is 'higher.'" -Frank Knight, 'Risk, Uncertainty and Profit' (1921).

Adam Smith on the death of Zeno the Stoic. From 'The Theory of Moral Sentiments' (1759).

"Unless effective means are found to check the degeneration of the race, the noontide of humanity’s greatness is nigh, if not already passed." -Frank A. Fetter, contribution to the American Economic Association's discussion "Western Civilization and the Birth-Rate" (1907).

"Experience in Victoria, as elsewhere, seems to show that it is impossible to enforce any form of the 'National Minimum [wage]' on a Chinese population in a white city." -Sidney and Beatrice Webb (the Baron and Baroness Passfield) 'Industrial Democracy' (1897).