PhilosophersJürgen Habermas

Jürgen Habermas

A rule is just if everyone it affects could accept it in a free discussion.

Kantian ethics1929 · 2026 GermanyDüsseldorf

Life

Jürgen Habermas (1929-2026), born in Düsseldorf, was a German philosopher and sociologist, heir to the Frankfurt School, who taught for many years at Frankfurt. His theory of communicative action starts from the idea that speaking to someone already claims reasons valid for everyone. From it he draws a discourse ethics: a norm is valid only if everyone it affects could accept it in a free debate. He also wrote on democracy, law and the place of religion in the public sphere.

Main works

1962
The Structural Transformation of the Public Sphere

A history of the bourgeois public sphere and its decline under the mass media.

1981
The Theory of Communicative Action

Rationality lies in the exchange of arguments between people seeking mutual understanding.

1983
Moral Consciousness and Communicative Action

Presents discourse ethics and its principles (D) and (U).

1992
Between Facts and Norms

Legitimate law arises from democratic deliberation.

In his own words

« Only those norms can claim to be valid that meet (or could meet) with the approval of all in their capacity as participants in a practical discourse. »
Moralbewußtsein und kommunikatives Handeln (1983), principe (D), trad. angl. Moral Consciousness and Communicative Action, MIT Press, 1990, p. 66

Positions

click a row to see the evidence
Does God exist?God
AtheismTheism
Interpretation

He describes his own approach as 'methodologically atheist': philosophy does not rely on God, though he respects what religious traditions can teach.

Habermas, Between Naturalism and Religion (2005)

What makes an action good?Basis of morality
Duty (deontology)Consequences (consequentialism)Character (virtue ethics)Other (divine law, relationships, value creation…)

A norm is valid only if everyone affected could accept it in a free and fair discussion (discourse ethics).

Habermas, Moral Consciousness and Communicative Action (1983)

Do good and evil exist objectively?Status of morality
Anti-realism (morality is human-made)Moral realism (objective moral truths)
Interpretation

Moral claims can be rationally justified and have universal validity, though through argument rather than a hidden moral reality.

Habermas, Moral Consciousness and Communicative Action (1983)

Can reason judge everything, faith included?Faith and reason
Primacy of faith / the heartReason alone judges
Interpretation

Public justification must rest on reasons all can share; religious contents count once translated into such reasons.

Habermas, Between Naturalism and Religion (2005)