I never once failed at making a light bulb. I just found out 99 ways not to make one. — Thomas A. Edison
The endeavor to change universal power by selfish supplication I do not believe in. — Thomas A. Edison
I have always consistently opposed high-tension and alternating systems of electric lighting… — Thomas A. Edison
I make more mistakes than anyone else I know, and sooner or later, I patent most of them. — Thomas A. Edison