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If I could solve all the problems myself, I would.
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I know of over 3,000 ways [that] a light bulb does not work.
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A reporter called on Edison to interview him about a substitute for lead in the manufacture of storage batteries that the scientist was seeking. Edison informed the man that he had made 20,000 experiments but none had worked. "Aren't you discouraged by all this waste of effort?" the reporter asked. Edison: "Waste! There's nothing wasted. I have discovered 20,000 things that won't work."
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Success is the product of the severest kind of mental and physical application.
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I have better use for my brain than to poison it with alcohol. To put alcohol in the human brain is like putting sand in the bearings of an engine.
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I have never seen the slightest scientific proof of the religious ideas of heaven and hell, of future life for individuals, or of a personal God.
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Nineteen hundred and three will bring great advances in surgery, in the study of bacteria, in the knowledge of the cause and prevention of disease. Medicine is played out. Every new discovery of bacteria shows us all the more convincingly that we have been wrong and that the million tons of stuff we have taken was all useless.
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Life's most soothing things are a child's goodnight and sweet music.
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Negative results are just what I want. They’re just as valuable to me as positive results. I can never find the thing that does the job best until I find the ones that don’t.
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Show me a thoroughly satisfied man - and I will show you a failure.
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The secret of success is focus of purpose.
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There is much more opportunity than there are people to see it.
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Success is 90% perspiration and 10% inspiration!
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The first requisite for success is to develop the ability to focus.
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Tomorrow Is My Exam But I Don’t Care Because A Single Sheet Of Paper Can’t Decide My Future.
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Keep on the lookout for novel ideas that others have used successfully. Your idea has to be original only in its adaptation to the problem you're working on.
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Time is really the only capital that any human being has, and the only thing he can't afford to lose.
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Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.
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The inventor tries to meet the demand of a crazy civilization.
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The greatest invention in the world is the mind of a child.
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I do not believe any type of religion should ever be introduced into the public schools of the United States.
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For faith, as well intentioned as it may be, must be built on facts, not fiction - faith in fiction is a damnable false hope.
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From his neck down a man is worth a couple of dollars a day, from his neck up he is worth anything that his brain can produce.
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I didn’t fail ten thousand times. I successfully eliminated, ten thousand times, materials and combinations which wouldn’t work.