I never pick up an item without thinking of how I might improve it. I never perfected an invention that I did not think about in terms of the service it might give others. I want to save and advance… — Thomas A. Edison Copy Share Image
I never perfected an invention that I did not think about in terms of the service it might give others... I find out what the world needs, then I proceed to invent. — Thomas A. Edison Copy Share Image
