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About this quote

What does it mean?
If something has failed or lied to you before, it is wise not to rely on it completely again.
In plain terms
If something lied before, don't trust it fully.
What can you take from it?
Learn from past deception to avoid future mistakes.

Where it applies

  • interpersonal relationships
  • security
  • business deals

Putting it to work

  • verify sources independently
  • be cautious with untrustworthy actors

Questions to consider

  • When should you give someone a second chance?
  • How do you rebuild trust?

Another view

People can change, so past deception does not guarantee future dishonesty.

More from Rene Descartes

  1. If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things.

    Permalink to quote #28
  2. Illusory joy is often worth more than genuine sorrow.

    Permalink to quote #30
  3. If you choose not to decide, you still have made a choice.

    Permalink to quote #27

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