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.
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