Who really said it
A person who never made a mistake never tried anything new
There is no Einstein source — not a letter, a lecture, an interview or a reported remark. The saying belongs to a Victorian self-help family that predates him: Samuel Smiles wrote ‘he who never made a mistake, never made a discovery’ in 1859, an unattributed version using the word ‘tried’ was circulating by 1901, and Theodore Roosevelt was quoted using a variant in 1900. The earliest Einstein credit anyone has located is a 1995 newspaper — forty years after he died.
Last verified 21 Jul 2026 · how we verify · spot an error?