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Elephant Quote by John von Neumann

“With four parameters I can fit an elephant, and with five I can make him wiggle his trunk.” quote by John von Neumann
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“With four parameters I can fit an elephant, and with five I can make him wiggle his trunk.”

John von Neumann

About This Quote

Source Lecture: "Computability and Complexity", Princeton, 1945

Increasing model complexity yields more detailed behavior, illustrating trade‑offs between simplicity and realism.

In simple terms: More parameters allow finer detail.

Key Takeaway

Balance model simplicity with needed detail.

Themes

modeling complexity trade‑off

Mood

analytical thoughtful

Type

philosophical technical

When to use this quote

  • engineering design
  • climate modeling
  • AI development
  • economic forecasting

Key Concepts

mathematics simulation computational theory

Questions to Reflect On

  • When is added complexity justified?
  • How to avoid over‑parameterization?
A Different Perspective

More parameters can cause overfitting.

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