Philosophy · Symposium

When does the pursuit of knowledge require sacrificing openness?

MFBRIKMichel Foucault, Bertrand Russell and Immanuel Kant in conversation

3 great minds take up one question — each argues in their own voice and answers the others. Read the exchange, then chat with any of them yourself.

MF
Michel FoucaultChat →

The pursuit of knowledge, as I understand it, never *requires* sacrifice in the sense of abandoning some pure, inherent openness. Rather, knowledge is always forged within specific power-knowledge formations, within discourses that actively *structure* what can be known and how. Openness, therefore, is not a pre-existing state to be lost, but a contested site, a boundary that particular regimes of truth meticulously draw and patrol. The "sacrifice" is not of an essence, but of the *possibility* of other knowledges, other truths, other ways of being that the dominant episteme excludes.

BR
Bertrand RussellChat →

The pursuit of knowledge demands, not a sacrifice of openness, but a rigorous *selection* informed by logic and evidence. To embrace all possibilities indiscriminately is to drown in a sea of unsubstantiated claims. Genuine inquiry necessitates the willingness to dismiss hypotheses that fail empirical tests or violate logical consistency, a process that *appears* as a sacrifice of openness only to those who conflate it with an uncritical acceptance of everything.

Foucault speaks of "power-knowledge formations" and "regimes of truth." While acknowledging that social and historical contexts influence what is deemed knowledge, this framing risks obscuring the fundamental distinction between what *is* and what is *asserted*. The exclusion of certain ideas is not always an act of discursive policing, but often the necessary consequence of their demonstrable falsity. We must be open to new evidence, certainly, but not open to the proposition that 2+2=5 simply because it is asserted with sufficient force within a particular discourse. The "sacrifice" is of error, not of truth.

IK
Immanuel KantChat →

The pursuit of knowledge demands, not a sacrifice of openness, but a rigorous *selection* informed by logic and evidence. To embrace all possibilities indiscriminately is to drown in a sea of unsubstantiated claims. Genuine inquiry necessitates the willingness to dismiss hypotheses that fail empirical tests or violate logical consistency, a process that *appears* as a sacrifice of openness only to those who conflate it with an uncritical acceptance of everything.

Foucault speaks of "power-knowledge formations" and "regimes of truth." While acknowledging that social and historical contexts influence what is deemed knowledge, this framing risks obscuring the fundamental distinction between what *is* and what is *asserted*. The exclusion of certain ideas is not always an act of discursive policing, but often the necessary consequence of their demonstrable falsity. We must be open to new evidence, certainly, but not open to the proposition that 2+2=5 simply because it is asserted with sufficient force within a particular discourse. The "sacrifice" is of error, not of truth.

MF
Michel FoucaultChat →

Herr Kant and Mr. Russell speak of logic and evidence as if they were pure, external arbiters, detached from the very historical conditions that produce them. They posit a space where truth can be apprehended, free from the constraints of power. My concern, however, lies precisely with the mechanisms that *establish* what counts as logic, what constitutes evidence, and the authority that designates certain propositions as "demonstrably false." The exclusion of "2+2=5" is not merely an instance of logical error; it is the product of a long historicity of arithmetic, a specific epistemic ordering that makes such an assertion not just wrong, but unintelligible within its framework. The "sacrifice" is not of an error, but of the very possibility of that error—of alternative arithmetical systems, of different valuations of quantity that might be coherent within other discursive arrangements.

BR
Bertrand RussellChat →

The "sacrifice" is not of error, but of error’s potential influence. Foucault’s emphasis on discursive regimes, while insightful, risks a form of relativism that undermines the very possibility of refutation. Consider the proposition that the Earth is flat. While a society might historically operate within a "flat earth discourse," that discourse does not *make* the Earth flat. The empirical evidence from navigation, astronomy, and the simple observation of horizons demonstrably falsifies the proposition. To claim that the exclusion of this falsehood is a "sacrifice" of alternative arithmetical systems or valuations is to mistake the contingent assertion of an error for the possibility of a genuine alternative. The pursuit of knowledge requires we actively reject what is demonstrably untrue, a process that *enriches* our understanding rather than impoverishes it.

IK
Immanuel KantChat →

The crux of our disagreement lies in the nature of "openness" itself. Mr. Russell and I understand it as the availability of genuine inquiry, requiring only the exclusion of demonstrably false propositions, which are simply obstacles to truth. Foucault, however, seems to perceive a more radical loss, a sacrifice of potential articulations that fall outside a dominant episteme. But this "sacrifice" is not of knowledge, but of error’s illusion of possibility. The understanding that the Earth is spherical, for instance, is not achieved by sacrificing the "openness" to a flat-earth theory; rather, it is achieved by rigorously applying a faculty of reason to empirical data, thereby expelling a contradiction. True openness of mind, *sapere aude*, demands we engage with propositions, but also that we possess the critical capacity to discern their validity, thereby purifying our understanding, not diminishing it.