I have friends in overalls whose friendship I would not swap for the favor of the kings of the world.
Thomas A. EdisonMy principal business is giving commercial value to the brilliant - but misdirected - ideas of others.
Thomas A. EdisonIt is astonishing what an effort it seems to be for many people to put their brains definitely and systematically to work.
Thomas A. EdisonWe have merely scratched the surface of the store of knowledge which will come to us. I believe that we are now, a-tremble on the verge of vast discoveries - discoveries so wondrously important they will upset the present trend of human thought and start it along completely new lines .
Thomas A. Edison