“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.”

“It is apparent to me that the possibilities of the aeroplane, which two or three years ago were thought to hold the solution to the [flying machine] problem, have been exhausted, and that we must turn elsewhere.”

“Oh these mathematicians make me tired! When you ask them to work out a sum they take a piece of paper, cover it with rows of A's, B's, and X's and Y's ... scatter a mess of flyspecks over them, and then give you an answer that's all wrong!”

“I get my ideas from listening from within.”

“In creating technology for ourselves we created it for the world.”

“Our greatest weakness lies in giving up. The most certain way to succeed is always to try just one more time.”

“The trouble with most people is that they quit before they start.”

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