
From the library
René Descartes, 1641
In one paragraph
Descartes' foundational work of modern philosophy that introduced methodical skepticism and the famous cogito argument.
Also tagged
Where this sits in the operating system
Mental Models & Decision Frameworks
Mental Models & Decision Frameworks
Key insights
Systematic doubt as a method: discard anything that can be doubted and see what survives.
The cogito is the surviving floor, and everything Descartes builds back on it is weaker than the demolition.
The mind-body split he introduced structured three centuries of thinking and is now the part most contested.
Recognise it early
The failure and the correction sit side by side deliberately. Read the left column asking whether any of it is already true of you.
Paralysis from too much doubt
Dismissing intuition and experience entirely
Arrogance about rational certainty
Analysis paralysis from perfectionism
Neglecting emotional and social factors
The same idea, argued differently
Adam Smith
Plato
Brian Christian, Tom Griffiths
Shane Parrish
The full breakdown
Before you close this
Naming the specific moment you will act roughly doubles the odds you do.
Reference
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