Alexander Graham Bell

“חיל הרגלים וחיל הים אין בכוחם להגן עלינו מפני תקיפה אווירית.”

“תגליות גדולות ושיפורים כרוכים בשיתוף פעולה בין מוחות רבים. אולי ייאמר לזכותי כי התוויתי את הנתיב, אך כאשר אני רואה את ההתפתחויות האחרונות אני מרגיש כי זכות זו שייכת לזולתי.”

“עלינו לרכז את כל מחשבותינו בעבודתנו; כדי להפוך קרני שמש ללהבה יש להביאן לנקודת המוקד.”

“אינני יודע מהו כוח זה, אך אני יודע כי הוא קיים ועומד לרשותו של האדם רק כאשר הוא יודע מה רצונו ונחוש בדעתו להגשימו.”

“כשנסגרת דלת אחת – נפתחת אחרת, אבל לעתים קרובות אנו ממשיכים להביט בצער רב כל כך בדלת הסגורה, עד שאיננו רואים את זו שנפתחה בפנינו.”

“בדרך כלל אדם אינו חייב הרבה ללידתו, אלא למה שהוא הופך להיות.”

“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.”

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

“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 that I am better acquainted with the phenomena of sound than he is - so that I have an advantage there.”

“Sometimes we stare so long at a door that is closing that we see too late the one that is open.”

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

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

“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 only attains it in as many years.”

“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 on for the first time upon a real line of miles in length.”

“Mr. Watson — Come here — I want to se”

“America is a country of inventors, and the greatest of inventors are the newspaper men.”

“Educate the masses, elevate their standard of intelligence, and you will certainly have a successful nation.”

“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 to these subjects, as they would have an important bearing upon what was to be my professional work.”

“I would impress upon your minds the fact that if you want to do a man justice, you should believe what a man says himself rather than what people say he says.”