Demons, Dreamers, and Madmen: The Defense of Reason in Descartes's Meditations

Harry G. Frankfurt (Princeton University Press)
Frankfurt provides an analysis to the question that lies at the heart of Descartes’s Meditations: On what basis can reason claim to provide any justification for the truth of our beliefs? Frankfurt explores Descartes’s defense of reason against his own doubts that he might be a madman. Harry G. Frankfurt is a professor of philosophy emeritus at Princeton University.

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PAW's October 2026 cover, featuring a photo of a loaf of challah bread and the headline "The Braids That Bind."
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October 2026

Holding on to Jewish life; Katy Anderson Keating ’08’s career in wine; Hollywood loves Princeton.