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The first ... has to do with whether a man knows what he is talking about, whether what he says has some basis or not. And my trick that I use is very easy. If you ask him intelligent questions - then he quickly gets stuck. It is like a child asking naive questions. If you ask naive but relevant questions, then almost immediately the person doesn't know the answer, if he is an honest man.

Richard Feynman#53

LearningKnowledgeTruthExpertiseInquiryQuestions

About this quote

What does it mean?
Feynman suggests testing knowledge by asking relevant naive questions to reveal honest ignorance.
In plain terms
Ask simple questions to see if someone really knows their topic.
What can you take from it?
Use simple questions to test true understanding.

Where it applies

  • interviews
  • education
  • evaluating expertise

Putting it to work

  • verify expertise
  • ask naive questions

Questions to consider

  • How do you verify someone's expertise?
  • What makes a question relevant?

Another view

Some experts may struggle with naive questions due to communication gaps rather than ignorance.

More from Richard Feynman

  1. No government has the right to decide on the truth of scientific principles, nor to prescribe in any way the character of the questions investigated. Neither m…

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  2. Looking back at the worst times, it always seems that they were times in which there were people who believed with absolute faith and absolute dogmatism in som…

    Permalink to quote #54
  3. The third aspect of my subject is that of science as a method of finding things out. This method is based on the principle that observation is the judge of whe…

    Permalink to quote #51

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