461 Quotes by Thomas A. Edison

  • Author Thomas A. Edison
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    Until man duplicates a blade of grass, nature can laugh at his so called scientific knowledge.

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  • Author Thomas A. Edison
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    If I had not had so much ambition and not tried to do so many things, I probably would have been happier, but less useful.

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  • Author Thomas A. Edison
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    I speak without exaggeration when I say that I have constructed 3,000 different theories in connection with the electric light, each one of them reasonable and apparently likely to be true. Yet only in two cases did my experiments prove the truth of my theory. My chief difficulty was in constructing the carbon filament. . . . Every quarter of the globe was ransacked by my agents, and all sorts of the queerest materials used, until finally the shred of bamboo, now utilized by us, was settled upon.

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  • Author Thomas A. Edison
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    I will not say I failed 1000 times, I will say that I discovered there are 1000 ways that can cause failure

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  • Author Thomas A. Edison
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    I do not believe in the God of the theologians; but that there is a Supreme Intelligence I do not doubt.

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