Accomplishing something provides the only real satisfaction in life.

Keep on the lookout for novel ideas that others have used successfully. Your idea has to be original only in its adaptation to the problem you're working on.

The radio craze will die out in time.

To do much clear thinking a person must arrange for regular periods of solitude when they can concentrate and indulge the imagination without distraction.

Success is the product of the severest kind of mental and physical application.

I have not failed 10,000 times. I have succeeded in proving that those 10,000 ways will not work.

To Monsieur Eiffel the Engineer, the brave builder of so gigantic and original a specimen of modern Engineering from one who has the greatest respect and admiration for all Engineers including the Great Engineer the Bon Dieu.