I never perfected an invention that I did not think about in terms of the service it might give others. I find out what the world needs, then I proceed to try and invent it.
Light bulb, phonograph, inventor
Reported in 'Edison: His Life and Inventions' by Frank Lewis Dyer and Thomas Commerford Martin
1910
Found in 1 providers: grok
Cross Reference
1 source
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