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About this quote

What does it mean?
To seek truth truly, you must doubt everything at least once in life.
In plain terms
A true truth seeker doubts all things at some point.
What can you take from it?
Radical skepticism is necessary for genuine truth seeking.

Where it applies

  • research projects
  • personal belief systems
  • scientific inquiry

Putting it to work

  • question everything
  • test assumptions

Questions to consider

  • What do you doubt most?
  • How much doubt is too much?

Another view

Total doubt may make communication or trust impossible.

More from Rene Descartes

  1. If you choose not to decide, you still have made a choice.

    Permalink to quote #27
  2. It is a mark of prudence never to trust wholly in those things which have once deceived us.

    Permalink to quote #29
  3. If we possessed a thorough knowledge of all the parts of the seed of any animal (e.g. man), we could from that alone, by reasons entirely mathematical and cert…

    Permalink to quote #26

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