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Henri Bergson and the Flow of Time

August 31, 2025·12 min·1 clip

In 1922, Henri Bergson debated Albert Einstein in Paris over whether philosophers' time exists, a confrontation that shaped modern thought.

1. Philosophy Talk, hosted by Ray Briggs and Josh Landy from KALW San Francisco Bay Area, presents an episode on Henri Bergson and the flow of time. 2. Ray Briggs teaches philosophy at the University of Chicago; Josh Landy teaches philosophy at Stanford; guest Barry Allen is at McMaster University and is the author of Living in Time: The Philosophy of Henri Bergson. 3. The episode's core questions are whether everything is in constant motion, whether you can hear the same sound twice, and whether Bergson's concept of intuition can access the deepest reality of the world. 4. Bergson's central claim, as Josh presents it, is that movement is not a series of jumps between bus stops — the bus stops do not really exist as discrete states; only the continuous motion is real. 5. Ray argues that movement is just being in different places at different moments, treating time the way you treat a multicolored quilt — distinct patches of red, blue, and green that together produce color. 6. Josh invokes Zeno's arrow paradox: at any given moment the arrow is stationary, so when does it move? Bergson's answer is that the arrow is never stationary — the idea of a stationary moment is the illusion. 7. Josh argues that photographs have 'messed with our minds,' leading us to believe we can freeze time, when in reality even a 100-year-old photograph is itself slowly fading — everything is in motion. 8. Ray responds 'I don't find these arguments very moving, Josh,' prompting Josh's acknowledgment 'Oh, good pun, Ray,' in one of the episode's lighter moments. 9. Even listeners who resist Bergson's motion claims may be interested in his other positions: he argues free will is real, the enduring self is not, and that conformity keeps most people 'living outside themselves' to please others. 10. Barry Allen from McMaster University is introduced as the guest who can address these deeper questions about Bergsonian philosophy. 11. Reporter Sheryl Kaskowitz frames the 1922 Einstein-Bergson Paris debate as the 'fight of all time,' comparing it to the Ali-Frazier 1971 match at Madison Square Garden. 12. On April 6, 1922, 62-year-old Bergson faced Albert Einstein, then 20 years his junior and just beginning his international fame following the 1919 solar eclipse confirmation of general relativity. 13. Einstein was invited not by the Societe de Physique but by the Societe de Philosophie — philosophers who were 'even more open to his revolutionary views.' 14. Bergson attended intending to listen but was pressed by the conference organizers and spoke long enough that the event became known ever after as a debate between just the two of them. 15. Bergson argued that Einstein was 'confusing clocks and people': clocks are human inventions that point to Time with a capital T, but they are not a substitute for Time itself. 16. Einstein responded 'the time of the philosophers does not exist — there is only a psychological time different from the time of the physicist,' which historian Ximena Canales calls 'a mic drop even back then.' 17. Canales, author of The Physicist and the Philosopher: Einstein, Bergson, and The Debate That Changed Our Understanding of Time, argues the common interpretation is that Einstein won, partly because Einstein remains a household name while Bergson is largely forgotten. 18. Canales frames the deeper issue as science and technology displacing philosophy and the humanities as arbiters of reality — a displacement she says has only accelerated with the rise of AI. 19. The episode's tone is playful and accessible: the bus-stop and quilt analogies keep motion theory grounded, and the boxing-match framing of the Einstein-Bergson debate gives the field-report narrative energy. 20. Listeners wanting the full interview with Barry Allen are directed to philosophytalk.org; this is an excerpt of the complete episode.

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