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Doe Quote by John Connolly

“You can't prove that something doesn't exist. You can only prove that something does exist.” quote by John Connolly
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“You can't prove that something doesn't exist. You can only prove that something does exist.”

John Connolly

About This Quote

The quote highlights the asymmetry of proof: absence of evidence is not evidence of absence, while existence can be demonstrated.

In simple terms: You can only prove what exists, not what doesn't.

Key Takeaway

Focus on proving existence, not disproving non‑existence.

Themes

logic epistemology science

Mood

skeptical analytical

Type

philosophical critical

When to use this quote

  • research
  • legal arguments
  • philosophical debates

Key Concepts

proof existence uncertainty

Questions to Reflect On

  • How do you handle claims without evidence?
  • What are limits of proof?
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