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When we are asked to swear in American courts of law—that…

“When we are asked to swear in American courts of law—that we will tell “the truth, the whole truth, and nothing but the truth”—we are being asked the impossible. It is simply beyond our powers. Our memories are fallible; even scientific truth is merely an approximation; and we are ignorant about…” quote by Carl Sagan
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““When we are asked to swear in American courts of law—that we will tell “the truth, the whole truth, and nothing but the truth”—we are being asked the impossible. It is simply beyond our powers. Our memories are fallible; even scientific truth is merely an approximation; and we are ignorant about nearly all of the Universe. Nevertheless, a life may depend on our testimony.””

Carl Sagan

About This Quote

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

Swearing absolute truth in court is impossible because human memory and scientific knowledge are limited, yet testimony can be crucial.

In simple terms: Absolute truth is unattainable, but testimony can be vital.

Key Takeaway

Recognize limits of truth, but speak responsibly.

Themes

ethics law epistemology

Mood

serious thoughtful

Type

philosophical inspirational

When to use this quote

  • legal proceedings
  • scientific reporting
  • personal accountability

Key Concepts

memory fallibility scientific approximation court testimony

Questions to Reflect On

  • How can courts balance truth limits with justice?
  • What responsibilities do witnesses have despite imperfect memory?
A Different Perspective

Legal systems still demand certainty, creating tension with epistemic humility.

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