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Logic Quote by Frank Sheed

“Man is a rational animal. But that does not mean that he is a reasonable animal. It means only that he has reason, and therefore can misuse it. If he had not reason, he could not be unreasonable. But he has, and is.” quote by Frank Sheed
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““Man is a rational animal. But that does not mean that he is a reasonable animal. It means only that he has reason, and therefore can misuse it. If he had not reason, he could not be unreasonable. But he has, and is.””

Frank Sheed

About This Quote

Source Essay: Reason and Unreason, 1939

Reason gives humans the capacity to misuse logic; without reason, unreasonable behavior cannot exist.

In simple terms: Reason can be misused.

Key Takeaway

Use reason responsibly.

Themes

reason misuse human nature logic

Mood

critical thoughtful

Type

philosophical ethical

When to use this quote

  • decision making
  • debate
  • policy formation
  • personal growth

Key Concepts

ethics philosophy psychology

Questions to Reflect On

  • How can we ensure reason serves ethical purposes?
  • What safeguards prevent misuse of rationality?
A Different Perspective

Reason alone does not guarantee moral outcomes.

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