Paradox of tolerance

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The paradox of tolerance states that if a society is tolerant without limit, its ability to be tolerant is eventually seized or destroyed by the intolerant. Karl Popper described it as the seemingly paradoxical idea that, "In order to maintain a tolerant society, the society must be intolerant of intolerance." Popper expands upon this, writing, “I do not imply for instance, that we should always suppress the utterance of intolerant philosophies; as long as we can counter them by rational argument and keep them in check by public opinion, suppression would be most unwise. But we should claim the right to suppress them if necessary even by force...”


Vol. 1 of The Open Society and Its Enemies by Karl Popper, published in 1945

In 1945, philosopher Karl Popper attributed the paradox to Plato's defense of "benevolent despotism" and defined it in The Open Society and Its Enemies.[1]

Less well known [than other paradoxes Popper discusses] is the paradox of tolerance: Unlimited tolerance must lead to the disappearance of tolerance. If we extend unlimited tolerance even to those who are intolerant, if we are not prepared to defend a tolerant society against the onslaught of the intolerant, then the tolerant will be destroyed, and tolerance with them.—In this formulation, I do not imply, for instance, that we should always suppress the utterance of intolerant philosophies; as long as we can counter them by rational argument and keep them in check by public opinion, suppression would certainly be most unwise. But we should claim the right to suppress them if necessary even by force; for it may easily turn out that they are not prepared to meet us on the level of rational argument, but begin by denouncing all argument; they may forbid their followers to listen to rational argument, because it is deceptive, and teach them to answer arguments by the use of their fists or pistols. We should therefore claim, in the name of tolerance, the right not to tolerate the intolerant.

The term "paradox of tolerance" does not appear anywhere in the main text of The Open Society and Its Enemies. Rather, Popper lists the above as a note to chapter 7, among the mentioned paradoxes proposed by Plato in his apologia for "benevolent despotism"—i.e., true tolerance would inevitably lead to intolerance, so autocratic rule of an enlightened "philosopher-king" would be preferable to leaving the question of tolerance up to majority rule. In the context of chapter 7 of Popper's work, specifically, section II, the note on the paradox of tolerance is intended as further explanation of Popper's rebuttal specific to the paradox as a rationale for autocracy: why political institutions within liberal democracies are preferable to Plato's vision of benevolent tyranny, and through such institutions, the paradox can be avoided. Nonetheless, alternate interpretations are often misattributed to Popper in defense of extra-judicial (including violent) suppression of intolerance such as hate speech, outside of democratic institutions, an idea which Popper himself never espoused. The chapter in question explicitly defines the context to that of political institutions and the democratic process, and rejects the notion of "the will of the people" having valid meaning outside of those institutions. Thus, in context, Popper's acquiescence to suppression when all else has failed applies only to the state in a liberal democracy with a constitutional rule of law that must be just in its foundations, but will necessarily be imperfect.[2]

In 1971, philosopher John Rawls concluded in A Theory of Justice that a just society must tolerate the intolerant, for otherwise, the society would then itself be intolerant, and thus unjust. However, Rawls qualifies this with the assertion that under extraordinary circumstances in which constitutional safeguards do not suffice to ensure the security of the tolerant and the institutions of liberty, tolerant society has a reasonable right of self-preservation against acts of intolerance that would limit the liberty of others under a just constitution, and this supersedes the principle of tolerance. This should be done, however, only to preserve equal liberty—i.e., the liberties of the intolerant should be limited only insofar as they demonstrably limit the liberties of others: "While an intolerant sect does not itself have title to complain of intolerance, its freedom should be restricted only when the tolerant sincerely and with reason believe that their own security and that of the institutions of liberty are in danger."[3][4]

In On Toleration (1997), Michael Walzer asked, "Should we tolerate the intolerant?" He claims that most minority religious groups who are the beneficiaries of tolerance are themselves intolerant, at least in some respects. In a tolerant regime, such (intolerant) people may learn to tolerate, or at least to behave "as if they possessed this virtue".[5] Such behavioral modification may be affected, without clearly knowing intentions of such people, by using a forgiving but provocable nice-guy strategy.

Thomas Jefferson had already addressed the notion of a tolerant society in his first inaugural speech, concerning those who might destabilise the United States and its unity, saying, "let them stand undisturbed as monuments of the safety with which error of opinion may be tolerated where reason is left free to combat it."[6]

Tolerance and freedom of speech[edit]

The paradox of tolerance is important in the discussion of what, if any, boundaries are to be set on freedom of speech. Raphael Cohen-Almagor, in the chapter "Popper's Paradox of Tolerance and Its Modification" of The Boundaries of Liberty and Tolerance: The Struggle Against Kahanism in Israel (1994), departs from Popper's limitation to imminent threat of physical harm to extend the argument for censorship to psychological harm, and asserts that to allow freedom of speech to those who would use it to eliminate the very principle upon which that freedom relies is paradoxical.[7] Michel Rosenfeld, in the Harvard Law Review in 1987, stated: "it seems contradictory to extend freedom of speech to extremists who ... if successful, ruthlessly suppress the speech of those with whom they disagree." Rosenfeld points out that the Western European democracies and the United States have opposite approaches to the question of tolerance of hate speech, in that where most Western European nations place legal penalties on the circulation of extremely intolerant or fringe political materials (e.g. holocaust denial) as being inherently socially disruptive or inciting of violence, the United States has ruled that such materials are in and of themselves protected by the principle of freedom of speech and thus immune to restriction, except when calls to violence or other illegal activities are explicitly and directly made.[8]

Criticism of violent intolerance against instances of intolerant speech is characteristic of discourse ethics as developed by Jürgen Habermas[9] and Karl-Otto Apel.[10]

Homophily and intolerance[edit]

The relation between homophily (a preference for interacting with those with similar traits) and intolerance is manifested when a tolerant person is faced with choosing between either a) a positive relationship with a tolerant individual of a dissimilar out-group, or b) a positive relationship with an intolerant in-group member. In the first case, the out-group relationship is disapproved of by the intolerant in-group member. In the second case, the negative relationship toward the out-group individual is endorsed by the intolerant in-group member. Thus, tolerant group members face being ostracized for their toleration by intolerant members of their in-group, or, in the alternative, being rewarded for demonstrating their out-group intolerance to intolerant members of their in-group.[11]

This dilemma has been considered by Fernando Aguiar and Antonio Parravano in "Tolerating the Intolerant: Homophily, Intolerance, and Segregation in Social Balanced Networks",[11] modeling a community of individuals whose relationships are governed by a modified form of the Heider balance theory.[12][13]

See also[edit]


  1. ^ Popper, Karl (2012) [1945]. The Open Society and Its Enemies. Routledge. p. 581. ISBN 9781136700323.
  2. ^ Popper, K., Havel, V., and Gombrich, E. (2002) The Open Society and Its Enemies. Edition 7. Volume 1: The Spell of Plato; Chapter VII, Section II, p136, P2-3. London and New York: Routledge, Taylor & Francis Group. ISBN 0-415-28236-5 Hbk
  3. ^ Rawls, John (1971). A Theory of Justice. p. 220. ISBN 978-0-674-00078-0.
  4. ^ Ding, John Zijiang (December 2014). "Introduction: Pluralistic and Multicultural Reexaminations of Tolerance/Toleration" (PDF). Journal of East-West Thought. 4 (4).
  5. ^ Walzer, Michael (1997). On Toleration. New Haven: Yale University Press. pp. 80–81. ISBN 978-0-300-07600-4.
  6. ^ "Thomas Jefferson, First Inaugural Address, Chapter 4, Document 33". The Founders' Constitution. University of Chicago Press. 2001 [1801]. Reprint from: Richardson, James D., ed. (1896–1899). A Compilation of the Messages and Papers of the Presidents, 1789–1897. Washington, DC: United States Government Printing Office.
  7. ^ Cohen-Almagor, Raphael (1994). "Popper's Paradox of Tolerance and Its Modification". The Boundaries of Liberty and Tolerance: The Struggle Against Kahanism in Israel. University Press of Florida. p. 25. ISBN 9780813012582.
  8. ^ Rosenfeld, Michel (April 1987). "Review: Extremist Speech and the Paradox of Tolerance". Harvard Law Review. 100 (6): 1457–1481. doi:10.2307/1341168. JSTOR 1341168.
  9. ^ Habermas, Jürgen (1990). Moral Consciousness and Communicative Action. Polity Press. p. 106. The means of reaching agreement are repeatedly thrust aside by the instruments of force.
  10. ^ Apel, Karl-Otto (1996). Selected Essays: Ethics and the Theory of Rationality. Humanities Press International. pp. 210–211.
  11. ^ a b Aguiar, Fernando; Parravano, Antonio (2013). "Tolerating the Intolerant: Homophily, Intolerance, and Segregation in Social Balanced Networks". Journal of Conflict Resolution. doi:10.1177/0022002713498708.
  12. ^ Heider, Fritz (1946). "Attitudes and Cognitive Organization". Journal of Psychology. 21: 107–112. doi:10.1080/00223980.1946.9917275. PMID 21010780.
  13. ^ Heider, Fritz (1958). The Psychology of Interpersonal Relations. New York: Psychology Press. ISBN 9780898592825.

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