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Doe Quote by James Bryce

“Three-fourths of the mistakes a man makes are made because he does not really know the things he thinks he knows.” quote by James Bryce
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“Three-fourths of the mistakes a man makes are made because he does not really know the things he thinks he knows.”

James Bryce

About This Quote

Source Book: The Elements of Politics, 1885

Highlights that many errors stem from false confidence in misunderstood knowledge.

In simple terms: Mistakes arise from thinking you know what you don’t.

Key Takeaway

Question assumptions before acting.

Themes

knowledge error confidence

Mood

cautious analytical

Type

philosophical educational

When to use this quote

  • project planning
  • education
  • leadership
  • risk assessment

Key Concepts

cognitive bias epistemology decision making

Questions to Reflect On

  • What assumptions do you hold without evidence?
  • How can you verify your knowledge?
A Different Perspective

Overconfidence can be mitigated but not eliminated.

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