More quotes by Thomas A. Edison

"To invent, you need a good imagination and a pile of junk."
"If we all did the things we are really capable of doing, we would literally astound ourselves."
"I have friends in overalls whose friendship I would not swap for the favor of the kings of the world."
"Many of life's failures are people who did not realize how close they were to success when they gave up."
"Genius is one percent inspiration, ninety-nine percent perspiration."