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The major difference between a thing that might go wrong…

“The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at or repair. Douglas Adams, Mostly Harmless (1992)” quote by Martin Kleppmann
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““The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at or repair. Douglas Adams, Mostly Harmless (1992)””

Martin Kleppmann

About This Quote

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

Things that seem impossible to fail can still break, revealing hidden vulnerabilities.

In simple terms: Even “impossible” things can fail unexpectedly.

Key Takeaway

Plan for unexpected failures.

Themes

risk failure resilience

Mood

cautious analytical

Type

technical practical

When to use this quote

  • software development
  • project management

Key Concepts

systems design contingency planning probability theory

Questions to Reflect On

  • How do you test “fail‑proof” systems?
  • What backups are in place?
A Different Perspective

Overconfidence can blind to risk.

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