To find certain truth, you must first doubt everything.
In short: Explore why René Descartes believed that total skepticism is the necessary starting point for human knowledge. This video examines his radical method of universal doubt to see if anything can survive a complete stripping away of belief.
Descartes initiates his search for truth by questioning whether our senses—the primary tools we use to navigate reality—can be consistently trusted. If the senses have deceived us even once, he asks if it is possible they are deceiving us at every moment.
The discussion explores extreme thought experiments used to test the limits of certainty: the possibility that we are living in a dream world or being manipulated by an 'evil demon' who ensures every perception is false. By systematically disregarding all attained knowledge, Descartes seeks a foundation for truth that cannot be shaken.
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Sources
- Summary by Intellect · source: Descartes Meditation I - Of the things which may be brought into Doubt
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