More from Alexander Graham Bell

  1. The final result of our researches has widened the class of substances sensitive to light vibrations, until we can propound the fact of suc…
  2. There cannot be mental atrophy in any person who continues to observe, to remember what he observes, and to seek answers for his unceasing …
  3. 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 fin…
  4. Before anything else, preparation is the key to success.
  5. Neither the Army nor the Navy is of any protection, or very little protection, against aerial raids.
  6. I begin my work at about nine or ten o'clock in the evening and continue until four or five in the morning. Night is a more quiet time to w…
  7. Perseverance must have some practical end, or it does not avail the man possessing it. A person without a practical end in view becomes a c…
  8. I am a believer in unconscious cerebration. The brain is working all the time, though we do not know it. At night it follows up what we thi…

All Alexander Graham Bell quotes