Political leadership
Madison, James [published as Publius]. "Federalist No. 10: The Same Subject Continued: The Union as a Safeguard Against Domestic Faction and Insurrection." Daily Advertiser, 22 Nov. 1787.
Madison, James. "No. 10: An extensive republic a remedy for mischiefs of faction.--Madison." The Federalist: A Commentary on the Constitution of the United States, edited by Robert Scigliano. The Modern Library, 2001.
Levis, Pierre Marc Gaston. "Maximes de Politique." Maximes et reflexions sur differents sujets. Paris, 1808, no. 19.
Huxley, Aldous. Ends and Means (an Enquiry Into the Nature of Ideals and Into the Methods Employed for Their Realization). Chatto & Windus, 1937, ch. 8.
Galbraith, John Kenneth. The Age of Uncertainty. Houghton Mifflin Harcourt, 1977, ch. 12.
Confucius. 論語 [The Analects]. c. 479 BCE.
Confucius. The Analects, edited and translated by Annping Chin. Penguin Classics, 2014.
Quoted in Plutarch's Lives, by Plutarch
Themistocles. Quoted in "Themistocles." Parallel Lives by Plutarch. c. 2nd century BC, ch. 2, sect. 3.
Themistocles. Quoted in "Themistocles." Parallel Lives by Plutarch. Oxford University Press, 2009, ch. 2, sect. 3.
Disraeli, Benjamin. Vivian Grey. Vol. 4, London: Henry Colburn, 1826, bk. 6, ch. 7.
Truman, Harry S. Memo to himself. c. 1954.
Jefferson, Thomas. "First Inaugural Address." 4 Mar. 1801, Senate Chamber, US Capitol Building, Washington, DC, USA.
Quoted in The New York Times
Baruch, Bernard M. Quoted in "Bernard Baruch, Financier, Dead." The New York Times, 21 June 1965.