Quote
By Thomas Edison
Hard work, based on hard thinking.
- Source
- Edison: His Life and Inventions, by Frank Lewis Dyer and Thomas Commerford Martin, vol. 2, 1910 · Vol. 2, chapter on the Edison storage battery, p. 554 (printed page number, seen)
- Read at
- Harper and Brothers, New York and London (Internet Archive scan of the 1910 first edition)
Share this quote
About this quote
Edison's answer, according to Dyer and Martin, whenever he was asked what he considered the secret of achievement. From Edison: His Life and Inventions by Frank Lewis Dyer and Thomas Commerford Martin (Harper and Brothers, 1910). The authors say he "invariably replied" this and give no date.