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Cause Quote by Isaac Newton

“I have explained the phenomena of the heavens and of our sea by the force of gravity, but I have not yet assigned a cause to gravity.” quote by Isaac Newton
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“I have explained the phenomena of the heavens and of our sea by the force of gravity, but I have not yet assigned a cause to gravity.”

Isaac Newton

About This Quote

Source Treat: Principia Mathematica, 1687

Newton describes how gravity explains celestial and terrestrial motion, yet its ultimate origin remains unknown.

In simple terms: Gravity explains motion but its cause is unknown.

Key Takeaway

Acknowledge limits of current knowledge.

Themes

science humility inquiry

Mood

curious reflective

Type

scientific philosophical

When to use this quote

  • astronomy research
  • physics education
  • theoretical research
  • public outreach

Key Concepts

gravity causality philosophy of science

Questions to Reflect On

  • What deeper mechanisms could underlie gravity?
  • How does accepting unknowns drive scientific progress?
A Different Perspective

Gravity’s cause may be beyond present empirical methods.

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