The three things that are most essential to achievement are common sense, hard work and stick-to-it-iv-ness.

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.

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.

My main purpose in life is to make enough money to create ever more inventions…. The dove is my emblem…. I want to save and advance human life, not destroy it…. I am proud of the fact that I have never invented weapons to kill….

People are not remembered by how few times they fail, but by how often they succeed. Every wrong step is another step forward

Good fortune is what happens when opportunity meets with planning.

Two per cent. is genius, and ninety-eight per cent. is hard work.