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“Observation and theory get on best when they are mixed together, both helping one another in the pursuit of truth. It is a good rule not to put overmuch confidence in a theory until it has been confirmed by observation. I hope I shall not shock the experimental physicists too much if I add that it…” quote by Arthur Eddington
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“Observation and theory get on best when they are mixed together, both helping one another in the pursuit of truth. It is a good rule not to put overmuch confidence in a theory until it has been confirmed by observation. I hope I shall not shock the experimental physicists too much if I add that it is also a good rule not to put overmuch confidence in the observational results that are put forward until they have been confirmed by theory.”

Arthur Eddington

About This Quote

Meaning: Knowledge advances when empirical data and conceptual models iteratively validate each other, preventing overconfidence in either alone.

In simple terms: Simple: Theory and observation must check each other.

Key Takeaway

Takeaway: Balance evidence with ideas.

Themes

Epistemology Scientific Method Iterative Validation Balance Skepticism Interdependence

Mood

Curious Analytical Cautious

Type

Aphorism Scientific maxim Guideline

When to use this quote

  • Designing experiments
  • Developing models
  • Peer review
  • Funding decisions
  • Science education

Key Concepts

Theory Observation Confirmation Bias Truth

Practical Applications

  • Guiding research strategy
  • Improving model reliability

Questions to Reflect On

  • How does this interplay affect scientific progress?
  • When might one dominate the other?
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