I never did anything worth doing by accident, nor did any of my inventions come indirectly through accident, except the phonograph. No, when I have, fully decided that a result is worth getting, I go about it, and make trial after trial, until it comes.

I am quite correctly described as 'more of a sponge than an inventor....'

Focus on how the end-user customers perceive the impact of your innovation - rather than on how you, the innovators, perceive it.

I remember that I was never able to get along at school. I was at the foot of the class.

Every failure is a lesson learned about your strategy.

Never Say I Failed 99 Times, Say I Discovered 99 Ways Which Causes Failure!

I didn't fail 1000 times. The light bulb was an invention with 1000 steps.