To invent, you need a good imagination and a pile of junk.
Great ideas originate in the muscles.
I never did anything worth doing entirely by accident. . . Almost none of my inventions came about totally by accident. They were achieved by having trained myself to endure and tolerate hard work.
The best thinking has been done in solitude. The worst has been done in turmoil.
I am 67, but I'm not too old to make a fresh start.
We are striking it big in the electric light, better than my vivid imagination first conceived. Where this thing is going to stop Lord only knows.