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In plain words

Something is true if it keeps working when you test it.

Where these words come from

How sure this is
92% sureThese words were traced back to where they first appeared. That source is listed below.
What turned up
From Einstein's own essay collection Out of My Later Years (1950), Ch. 16, 'The Laws of Science and the Laws of Ethics.'
Work
Out of My Later Years
Occasion
1950 · Princeton · Essay on science and ethics
Sources checked
  • en.wikiquote.orgChecked using claude-sonnet-5, 21 August 2026Sourced, Out of My Later Years (1950) section

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