Thomas A. Edison
  • Be courageous. I have seen many depressions in business. Always America has emerged from these stronger and more prosperous. Be brave as your fathers before you. Have faith! Go forward!

  • I have friends in overalls whose friendship I would not swap for the favor of the kings of the world.

  • To invent, you need a good imagination and a pile of junk.

  • The three great essentials to achieve anything worth while are: Hard work, Stick-to-itiveness, and Common sense.

  • Great ideas originate in the muscles.