Mr. Edison worked endlessly on a problem, using the method of elimination. If a person asked him if he were discouraged because so many attempts proved unavailing, he would say, "No, I am not discouraged, because every wrong attempt discarded is another step forward.".

It is very beautiful over there. (last words)

I make more mistakes than anyone else I know, and sooner or later, I patent most of them.

So far as the religion of the day is concerned, it is a damned fake ... Religion is all bunk.

I do not believe in the God of the theologians; but that there is a Supreme Intelligence I do not doubt.

The inventor tries to meet the demand of a crazy civilization.

I didn't fail 1000 times. The light bulb was an invention with 1000 steps.