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Doubt Quote by Rene Descartes

“The first precept was never to accept a thing as true until I knew it as such without a single doubt.” quote by Rene Descartes
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“The first precept was never to accept a thing as true until I knew it as such without a single doubt.”

Rene Descartes

About This Quote

Source Book: Discourse on the Method, 1637

Only accept a proposition as true when it is free of any doubt after personal verification.

In simple terms: Believe only what you can prove beyond doubt.

Key Takeaway

Question everything before accepting.

Themes

skepticism philosophy critical thinking

Mood

thoughtful analytical

Type

philosophical reflective

When to use this quote

  • scientific research
  • personal decision making
  • legal evidence
  • medical diagnosis

Key Concepts

Cartesian doubt epistemology rationalism

Questions to Reflect On

  • How do you balance healthy skepticism with practical decision making?
  • When is it acceptable to act on incomplete certainty?
A Different Perspective

Doubt can hinder timely action when overapplied.

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