Success is 90% perspiration and 10% inspiration!

There is much more opportunity than there are people to see it.

A good intention, with a bad approach, often leads to a poor result.

Incurably religious, that is the best way to describe the mental condition of so many people.

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 was always afraid of things that worked the first time. Long experience proved that there were great drawbacks found generally before they could be got commercial; but here was something there was no doubt of.

I have not failed. I've just found 10,000 foundations and individual donors whose priorities don't align with my organization's.