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The final result of our researches has widened the class of substances sensitive to light vibrations, until we can propound the fact of such sensitiveness being a general property of all matter.

Alexander Graham Bell

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Alexander Graham Bell
Age: 75 †
Born: 1847
Born: March 3
Died: 1922
Died: August 2
Businessperson
Electrical Engineer
Engineer
Inventor
Physicist
Professor
Scientist
Edinburgh
Scotland
Bell
Graham Bell
Alexander Bell
Matter
Property
Widened
Research
Substances
General
Vibrations
Results
Final
Class
Finals
Fact
Sensitive
Facts
Substance
Sensitiveness
Light
Result
Researches

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It is the man who carefully advances step by step...who is bound to succeed in the greatest degree.
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Leave the beaten track behind occasionally and dive into the woods. Every time you do you will be certain to find something you have never seen before.
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First words on the first telephone - Mr. Watson - come here - I want to see you.
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God has strewn our paths with wonders and we certainly should not go through life with our eyes shut
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Watson, ... if I can get a mechanism which will make a current of electricity vary in its intensity, as the air varies in density when a sound is passing through it, I can telegraph any sound, even the sound of speech.
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What this power is I cannot say all I know is that it exists and it becomes available only when a man is in that state of mind in which he knows exactly what he wants and is fully determined not to quit until he finds it.
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When one door closes, another one opens.
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There are two critical points in every aerial flight-its beginning and its end.
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The day will come when the man at the telephone will be able to see the distant person to whom he is speaking.
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Great discoveries and improvements invariably involve the cooperation of many minds.
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There cannot be mental atrophy in any person who continues to observe, to remember what he observes, and to seek answers for his unceasing hows and whys about things.
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Before anything else, preparation is the key to success.
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The most successful men in the end are those whose success is the result of steady accretion.
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The only difference between success and failure is the ability to take action.
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We are all too much inclined, I think, to walk through life with our eyes shut. There are things all round us and right at our very feet that we have never seen, because we have never really looked.
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I have had the feeling that a properly constructed flying-machine should be capable of being flown as a kite and conversely, that a properly constructed kite should be capable of use as a flying-machine when driven by its own propellers.
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Neither the Army nor the Navy is of any protection, or very little protection, against aerial raids.
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