A theory is more impressive the greater the simplicity of its premises, the more different are the kinds of things it relates, and the more extended its range of applicability.

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Attribution note

No reliable primary or scholarly source confirms this exact wording as Albert Einstein's. It is widely circulated under his name and is listed as commonly attributed.

About this quote

This wording, beginning "A theory is more impressive the greater the simplicity of…," circulates under Einstein's name and focuses on theory, impressive, greater. No strong source for the exact text was found, so the page presents it as commonly attributed while still explaining its practical connection to science and wisdom.

When to use it

  • Use "A theory is more impressive the greater the simplicity of…" in a science discussion, then ask which concrete claim the wording makes.
  • Compare its treatment of theory with impressive in a lesson, essay, or editorial note before drawing a conclusion.
  • Before sharing it as Einstein's exact words, display the attribution caveat and follow the evidence link recorded on the page.