I did not fail two thousand times. I merely found two thousand ways not to make a lightbulb.

Let the public throw bouquets to the inventors and in time we will all be happy.

Tomorrow Is My Exam But I Don’t Care Because A Single Sheet Of Paper Can’t Decide My Future

One might think that the money value of an invention constitutes its reward to the man who loves his work. But... I continue to find my greatest pleasure, and so my reward, in the work that precedes what the world calls success.

I try not to invent things that people don't need.

Until man duplicates a blade of grass, nature can laugh at his so-called scientific knowledge. Remedies from chemicals will never stand in favor compared with the products of nature, the living cell of the plant, the final result of the rays of the sun, the mother of all life.

Genius is one percent inspiration, ninety-nine percent perspiration.