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Everyone who doubts knows that he is doubting, so that he…

“Everyone who doubts knows that he is doubting, so that he is certain of this truth at least, namely the fact that he doubts. Thus every one who doubts whether there is such a thing as truth, knows at least one truth, so that his very capacity to doubt should convince him that there is such a thing…” quote by Frederick Charles Copleston
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““Everyone who doubts knows that he is doubting, so that he is certain of this truth at least, namely the fact that he doubts. Thus every one who doubts whether there is such a thing as truth, knows at least one truth, so that his very capacity to doubt should convince him that there is such a thing as truth.””

Frederick Charles Copleston

About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

Doubting confirms the existence of doubt; thus, even skeptics know at least one truth: that they doubt.

In simple terms: Doubt proves its own truth; knowing you doubt is a certainty.

Key Takeaway

Embrace doubt as a path to understanding.

Themes

philosophy epistemology skepticism

Mood

thoughtful inquisitive philosophical

Type

Doubt:1 Doubting:1 Skepticism:1 Truth:1 Knows Doubting:1 Doubts Knows:1 Doubting Certain:1

When to use this quote

  • academic study
  • personal reflection
  • dialogue
  • critical thinking

Key Concepts

self‑knowledge certainty truth cognitive awareness

Questions to Reflect On

  • What does knowing you doubt reveal about your beliefs?
  • How can doubt lead to deeper knowledge?
A Different Perspective

Doubt alone doesn’t resolve truth.

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