If Thomas Edison invented electric light today, Dan Rather would report it on CBS News as candle making industry threatened.

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Genius is one per cent inspiration, ninety-nine per cent perspiration

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The doctor of the future will give no medicine, but will educate his patients in the care of the human frame, in diet, and in the cause and prevention of disease.

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Until man duplicates a blade of grass, nature can laugh at his so-called scientific knowledge

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There is no expedient to which a man will not go to avoid the labor of thinking

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There is no substitute for hard work.

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To invent, you need a good imagination and a pile of junk

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Religion is all bunk

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Great ideas originate in the muscles

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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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I am not discouraged, because every wrong attempt discarded is another step forward.

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Non-violence leads to the highest ethics, which is the goal of all evolution. Until we stop harming all other living beings, we are still savages

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There is time for everything

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There's a way to do it better - find it

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There is no substitute for hard work

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It is astonishing what an effort it seems to be for many people to put their brains definitely and systematically to work

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I have not failed. I’ve just found 10,000 ways that won’t work.

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The value of an idea lies in the using of it

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Nearly every man who develops an idea works it up to the point where it looks impossible, and then he gets discouraged. That's not the place to become discouraged

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Opportunity is missed by most people because it comes dressed in overalls and looks like work

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Show me a thoroughly satisfied man, and I will show you a failure.

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Many of life's failures are people who did not realize how close they were to success when they gave up

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Show me a thoroughly satisfied man and I will show you a failure

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