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Until man duplicates a blade of grass, nature can laugh at his so called scientific knowledge.
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I failed my way to success.
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If there is a better solution... find it.
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During all those years of experimentation and research, I never once made a discovery. All my work was deductive, and the results I achieved were those of invention, pure and simple. I would construct a theory and work on its lines until I found it was untenable. Then it would be discarded at once and another theory evolved. This was the only possible way for me to work out the problem.
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I am proud of the fact that I never invented weapons to kill.
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I find out what the world needs. Then I go ahead and try to invent it.
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To Monsieur Eiffel the Engineer, the brave builder of so gigantic and original a specimen of modern Engineering from one who has the greatest respect and admiration for all Engineers including the Great Engineer the Bon Dieu.
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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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Direct thought is not an attribute of feminity. In this, women are now centuries behind man.
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Of all my inventions, I liked the phonograph best.
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The first requisite of success is the ability to apply your physical and mental energies to one problem without growing weary.
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Absorb ideas from every source.
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To invent, you need a good imagination and a pile of junk.
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I have not failed 700 times. I have not failed once. I have succeeded in proving that those 700 ways will not work. When I have eliminated the ways that will not work, I will find the way that will work.
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After we had conducted thousands of experiments on a certain project without solving the problem, one of my associates, after we had conducted the crowning experiment and it had proved a failure, expressed discouragement and disgust over our having failed to find out anything. I cheerily assured him that we had learned something. For we had learned for a certainty that the thing couldnt be done that way, and that we would have to try some other way.
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Success is based on imagination plus ambition and the will to work.
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When there's no experimenting there's no progress. Stop experimenting and you go backward. If anything goes wrong, experiment until you get to the very bottom of the trouble.
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The three things that are most essential to achievement are common sense, hard work and stick-to-it-iv-ness... Unfortunately, many of life's failures are experienced by people who did not realize how close they were to success when they gave up.
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I never pick up an item without thinking of how I might improve it.
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When I have fully decided that a result is worth getting I go ahead of it and make trial after trial until it comes.
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Seeming to do is not doing.
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A genius is a talented person who does his homework.
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Sleep is like a drug. Take too much at a time and it makes you dopey. You lose time and opportunities.
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I am quite correctly described as 'more of a sponge than an inventor....'