Alexander Graham Bell

“When one door closes another door opens; but we so often look so long and so regretfully upon the closed door, that we do not see the ones which open for us.”

“Man is the result of slow growth; that is why he occupies the position he does in animal life. What does a pup amount to that has gained its growth in a few days or weeks, beside a man who o...”

“Mr. Watson — Come here — I want to see you. [First intelligible words spoken over the telephone]”

“I had made up my mind to find that for which I was searching even if it required the remainder of my life. After innumerable failures I finally uncovered the principle for which I was search...”

“The most successful men in the end are those whose success is the result of steady accretion.”

“From my earliest childhood, my attention was specially directed to the subject of acoustics, and specially to the subject of speech, and I was urged by my father to study everything relating...”

“It is a neck-and-neck race between Mr. Gray and myself who shall complete our apparatus first. He has the advantage over me in being a practical electrician - but I have reason to believe th...”

“My knowledge of electrical subjects was not acquired in a methodical manner but was picked up from such books as I could get hold of and from such experiments as I could make with my own han...”

“Dumbness comes from the fact that a child is born deaf and that it consequently never learns how to articulate, for it is by the medium of hearing that such instruction is acquired.”

“In this experiment, made on the 9th of October, 1876, actual conversation, backwards and forwards, upon the same line, and by the same instruments reciprocally used, was successfully carried...”

“I do not recognize the right of the public to break in the front door of a man's private life in order to satisfy the gaze of the curious... I do not think it right to dissect living men eve...”

“Neither the Army nor the Navy is of any protection, or very little protection, against aerial raids.”

“It is not, of course, complete yet - but some sentences were understood this afternoon... I feel that I have at last struck the solution of a great problem - and the day is coming when teleg...”

“Morse conquered his electrical difficulties although he was only a painter, and I don't intend to give in either till all is completed.”

“When one door closes, another opens; but we often look so long and so regretfully upon the closed door that we do not see the one which has opened for us.”

“Before anything else, preparation is the key to success.”

“A man's own judgment should be the final appeal in all that relates to himself.”

“It is hardly an exaggeration to say that oral teachers and sign teachers found it difficult to sit down in the same room without quarreling, and there was intolerance upon both sides. To say...”

“A man, as a general rule, owes very little to what he is born with - a man is what he makes of himself.”

“Concentrate all your thoughts upon the work at hand. The sun's rays do not burn until brought to a focus.”