Thomas A. Edison

"When you have exhausted all possibilities, remember this - you haven't."

"Genius is one percent inspiration, ninety-nine percent perspiration."

"The three great essentials to achieve anything worthwhile are, first, hard work; second, stick-to-itiveness; third, common sense."

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

"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."

"Many of life's failures are people who did not realize how close they were to success when they gave up."

"Many of life's failures are people who did not realize how close they were to success when they gave up."

"Many of life's failures are people who did not realize how close they were to success when they gave up."

"Many of life's failures are people who did not realize how close they were to success when they gave up."

"If we did all the things we are capable of, we would literally astound ourselves."

"The three great essentials to achieve anything worthwhile are, first, hard work; second, stick-to-itiveness; third, common sense."

"If we all did the things we are really capable of doing, we would literally astound ourselves."

"Many of life's failures are people who did not realize how close they were to success when they gave up."

"Many of life's failures are people who did not realize how close they were to success when they gave up."

"Many of life's failures are people who did not realize how close they were to success when they gave up."

"Many of life's failures are people who did not realize how close they were to success when they gave up."

"I have not failed. I've just found 10,000 ways that won't work."