The radio craze will die out in time.
I have not failed 10,000 times. I have succeeded in proving that those 10,000 ways will not work.
Results! Why, man, I have gotten a lot of results. I know several thousand things that won't work.
To invent, you need a good imagination and a pile of junk.
I failed my way to success.
Restlessness is discontent and discontent is the first necessity of progress. Show me a thoroughly satisfied man and I will show you a failure.