Through all the years of experimenting and research, I never once made a discovery. I start where the last man left off... All my work was deductive, and the results I achieved were those of invention pure and simple.

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.

Not only will atomic power be released, but someday we will harness the rise and fall of the tides and imprison the rays of the sun.

I have always consistently opposed high-tension and alternating systems of electric lighting...not only on account of danger, but because of their general unreliability and unsuitability for any general system of distribution.

Because ideas have to be original only with regard to their adaptation to the problem at hand, I am always extremely interested in how others have used used them.

First be sure a thing is wanted or needed, then go ahead.

Show me a completely contented person and I'll show you a failure.