Plato to Polybius on Constitutional Change
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Plato in the fourth century BCE penned an indelible sequence of constitutional decline ending in tyranny, as well as a more complex set of possibilities for mixing different constitutional kinds. Two centuries later, Polybius portrayed constitutional change as cyclical, with an eventual collapse of democracy into ‘ochlocracy’ (mob rule) and then reversion to monarchy. These and other ancient authors proposed that a mixed constitution might prevent unwanted political change – an idea that would influence many later generations of political thinkers.
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References
Ancient Primary Sources: Translations and Commentaries
Archytas (or ps.-Archytas), On Law and Justice, fr. 4(a), p. 34.15–27 Thesleff = Stob. 4.1.138, as translated in Phillip Sidney Horky and Monte Ransome Johnson, On Law and Justice: attributed to Archytas of Tarentum, in Early Greek Ethics, ed. David Conan Wolfsdorf, 455-490. Oxford: Oxford University Press, 2020.
Aristotle, Politics:
- Politics: A New Translation, trans. with introduction and notes by C. D. C. Reeve. Indianapolis and Cambridge: Hackett, 2017.
- Politica, ed. Sir David Ross. Oxford: Oxford University Press, 2020.
Plato, Republic:
- Plato, Laws, herein by Melissa Lane.
- Platonis, Nomoi, in Platonis, Opera, vol. V, ed. John Burnet. Oxford: Clarendon Press, 2019 [first published 1907].
- Plato, Republic, rans. G.M.A. Grube, rev. C.D.C. Reeve. Indianapolis and Cambridge: Hackett, 1992.
- Platonis, Respublica, ed. S. R. Slings. Oxford: Clarendon Press, 2003.
Plutarch, Lycurgus:
- Trans. Bernadotte Perrin, in Plutarch’s Lives, vol. 1. Cambridge, MA: Harvard University Press, 1948.
Polybius, The Histories, volumes cited from the Loeb Classical Library:
- Books 1-2, in Volume I, 2nd edn, translated by W. R. Paton, revised by F. W. Walbank, Christian Habicht. Cambridge, MA: Harvard University, 2010.
- Books 3-4, in Volume II, 2nd edn, translated by W. R. Paton, revised by F. W. Walbank, Christian Habicht. Cambridge, MA: Harvard University, 2010.
- Books 5-6, in Volume III, 2nd edn, translated by W. R. Paton, revised by F. W. Walbank, Christian Habicht. Cambridge, MA: Harvard University, 2011.
- Walbank, F. W. A Historical Commentary on Polybius. Oxford: Clarendon Press, 1957-79.
Thucydides, History of the Peloponnesian War:
- As translated in Connor, W.R., Thucydides. Princeton: Princeton University Press, 2013 [first published 1984].
- As translated in Hornblower, Simon, Thucydides. London: Duckworth, 1987.
Xenophon, Constitution of the Lacedaemonians [Spartans] (Lac.):
- Trans E. C. Marchant / G.W. Bowersock in Xenophon, Hiero. Agesilaus. Constitution of the Lacedaemonians. Ways and Means. The Cavalry Commander. On the Art of Horsemanship. On Hunting. Constitution of the Athenians. Cambridge, MA: Harvard University Press, 1925.
Modern Primary Sources and Secondary Sources
Adams, John. A Defence of the Constitutions of Government of the United States of America [1787], in The Works of John Adams, vol. 4, edited by Charles Francis Adams. Boston: Little, Brown, 1850.
Cartledge, Paul. ‘Not Just Voting, but Being Counted: The Cases of Ancient Greece’, in Cultures of Voting in Pre-Modern Europe, edited by Serena Ferente, Lovro Kunčević, and Miles Pattenden, 11-19. London: Routledge, 2018.
Edelstein, Dan. The Revolution to Come: A History of an Idea from Thucydides to Lenin. Princeton: Princeton University Press, 2025.
Flower, Michael A. Theopompus of Chios: History and Rhetoric in the Fourth Century B.C. New York and Oxford: Clarendon Press, 1994.
Fritz, Kurt von. The Theory of the Mixed Constitution in Antiquity; a Critical Analysis of Polybius’ Political Ideas. New York: Columbia University Press, 1954.
Hobbes, Thomas. Leviathan, a critical edition, edited by Karl Schuhmann and G. A. J. Rogers. London: Bloomsbury Publishing, 2006.
Lane, Melissa. ‘Locating the Cities in the Republic 8-9 Dual Narratives: Historiographical Functions and Contexts’, in PLATON, RÉPUBLIQUE VIII-IX. NOUVELLES LECTURES = ENTRETIENS SUR L’ANTIQUITÉ CLASSIQUE vol. LXXI, ed. Vanessa Monteventi, 329-62, with discussion 363-73. Vandoeuvres, Geneva: Foundation Hardt, forthcoming 2026.
Lintott, Andrew. The Constitution of the Roman Republic. Oxford: Clarendon Press, 1999.
Machiavelli, Niccolò. The Discourses, trans. Leslie J. Walker, rev. Brian Richardson, edited with an introduction by Bernard Crick. Harmondsworth: Penguin, 1970.
Manin, Bernard. Principles of Representative Government. Cambridge: Cambridge University Press, 1997.
McCormick, John. Machiavellian Democracy. Cambridge: Cambridge University Press, 2011.
Millar, Fergus. The Roman Republic in Political Thought. Hanover, NH: University Press of New England, 2002.
Pettit, Philip. The State. Princeton: Princeton University Press, 2023.
Walbank, Frank. ‘A Greek Looks at Rome: Polybius VI Revisited’, Scripta Classica Israelica: Yearbook of the Israel Society for the Promotion of Classical Studies 17 (2020) 45–59.
Further Reading
Andrewes, A. ‘The Government of Classical Sparta’, in M. Whitby (ed.) Sparta, 49-68. Edinburgh: Edinburgh University Press, 2002.
Atkins, Jed W., and Carl E. Young. ‘Polybius and the Compound Constitution’, in Reading Texts on Sovereignty: Textual Moments in the History of Political Thought, edited by Stella Achilleos and Antonis Balasopoulos, 25–32. London: Bloomsbury, 2021.
Balot, Ryan. ‘Polybius’ Advice to the Imperial Republic’, Political Theory 38 (2021): 483–509.
Flower, Harriet I., ed. The Cambridge Companion to the Roman Republic. Cambridge: Cambridge University Press, 2004.
Flower, Michael A. ‘The Invention of Tradition in Classical and Hellenistic Sparta’, in Sparta: Beyond the Mirage, edited by Anton Powell and Stephen Hodkinson, 191-217. Swansea and London: The Classical Press of Wales and Duckworth, 2002.
Hodkinson, Stephen. Property and Wealth in Classical Sparta. Paperback edition. Swansea: The Classical Press of Wales, 2009.
Lintott, Andrew. The Constitution of the Roman Republic. Oxford: Clarendon Press, 1999.
Mackay, Christopher S. Ancient Rome: A Military and Political History. Cambridge and New York: Cambridge University Press, 2004.
Manin, Bernard. The Principles of Representative Government. Cambridge: Cambridge University Press, 1997.
Marincola, John, ed. A Companion to Greek and Roman Historiography. Newark: John Wiley & Sons, 2008.
Millar, Fergus. The Roman Republic in Political Thought. Hanover and London: University Press of New England, 2002.
Rawson, Eleanor. The Spartan Tradition in European Thought. Oxford: Clarendon Press, 1969.
Richard, C.J. The Founders and the Classics: Greece, Rome, and the American Enlightenment. Cambridge, MA: Harvard University Press, 1994.
Walbank, F.W. ‘Polybius on the Roman constitution’, The Classical Quarterly 36 (1943): 73-89.
Walbank, F. W. Polybius, Rome, and the Hellenistic World: Essays and Reflections. Cambridge: Cambridge University Press, 200
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