“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. ”

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

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

“I have discovered that my interest in my dear pupil, Mabel, has ripened into a far deeper feeling than that of mere friendship. In fact, I know that I have learned to love her very sincerely.”

“Great discoveries and improvements invariably involve the cooperation of many minds. I may be given credit for having blazed the trail, but when I look at the subsequent developments I feel the credit is due to others rather than to myself.”

“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 hands.”

“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. ”

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

“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 even for the advancement of science. So far as I am concerned, I prefer a post mortem examination to vivisection without anaesthetics.”

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

“When one door closes another opens. But we often look so long and so regretfully upon the closed door that we fail to see the one that has opened for us.”