A good intention, with a bad approach, often leads to a poor result.
Be brave as your fathers before you. Have faith and go forward.
Vision without execution is delusion.
We haven't failed. We now know a thousand things that won't work, so we are much closer to finding what will.
Of all my inventions, I liked the phonograph best
Radio is just a fashion contrivance that will soon die out. It is obvious that there never will be invented a proper receiver!