This change in the conception of reality is the most profound and the most fruitful that physics has experienced since the time of Newton .

Share this quote

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 "This change in the conception of reality is the most…," circulates under Einstein's name and focuses on change, conception, reality. 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 honesty.

When to use it

  • Use "This change in the conception of reality is the most…" in a science discussion, then ask which concrete claim the wording makes.
  • Compare its treatment of change with conception 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.