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Assumption Quote by William Poundstone

“The assumption that anything true is knowable is the grandfather of paradoxes.” quote by William Poundstone
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“The assumption that anything true is knowable is the grandfather of paradoxes.”

William Poundstone

About This Quote

Source Book: The 2 Book of Paradoxes by William Poundstone, 2009

Claiming all truth is knowable leads to self‑contradictory paradoxes because some truths are beyond comprehension.

In simple terms: Believing everything can be known creates paradoxes.

Key Takeaway

Question what can be truly known.

Themes

philosophy epistemology paradoxes

Mood

thoughtful inquisitive

Type

analytical philosophical

When to use this quote

  • academic debate
  • scientific research
  • everyday decision making

Key Concepts

knowledge limits self‑reference logical contradiction

Questions to Reflect On

  • What truths might be beyond human understanding?
  • How do we handle unknowable concepts?
A Different Perspective

Some truths may be inherently unknowable, limiting the claim.

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