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Doubt Quote by Charles Nicholl

“Everything should be doubted and tested before it is held to be true.” quote by Charles Nicholl
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““Everything should be doubted and tested before it is held to be true.””

Charles Nicholl

About This Quote

Source Lecture: Scientific Method and Skepticism, 2015

All claims should be rigorously questioned and verified before acceptance as truth.

In simple terms: Doubt and test everything before believing it.

Key Takeaway

Adopt a habit of critical inquiry.

Themes

skepticism verification knowledge

Mood

cautious inquisitive

Type

philosophical inspirational

When to use this quote

  • research design
  • education curricula
  • policy evaluation

Key Concepts

epistemology scientific method critical thinking

Questions to Reflect On

  • When is it appropriate to accept provisional truth?
  • How do we balance skepticism with trust?
A Different Perspective

Excessive doubt can stall progress and decision‑making.

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