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Lesson 1.5: Reason and the Senses
Season 2 · Episode 5

Lesson 1.5: Reason and the Senses

The Luxury of Virtue

January 21, 20261h 10m

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Show Notes

If our senses can deceive us and our reasoning can outrun experience, which should we trust as the true foundation of knowledge: reason alone, or the evidence of the world?

Topics discussed:
  • How radical skepticism (including modern versions like simulations) motivates Descartes’ turn inward
  • A reconstruction of René Descartes’ Cogito argument as a proposed foundation of certainty
  • The difficulty of moving from Descartes’ foundational truths to knowledge of the external world
  • Philosophical objections to Descartes’ inference from thinking occurs to a unified self exists, including Nagasena’s chariot analogy
  • The role of innate ideas and God in Descartes’ attempt to bridge the epistemic gap
  • John Locke’s rejection of innate ideas and the blank slate hypothesis
  • Locke’s empiricism, including simple vs. complex ideas and indirect realism
  • The tension between reason and the senses as competing sources of knowledge
  • The emerging dilemma between rationalism and empiricism as rival epistemic frameworks