"I have learned that success is to be measured not so much by the position that one has reached in life as by the obstacles which he has overcome while trying to succeed."

"Concentrate all your thoughts upon the work at hand. The sun's rays do not burn until brought to a focus."

"I am a firm believer in the future of aviation."

"The inventor is a man who looks at the world and is not contented with things as they are. He wants to improve them."

"Leave the beaten track occasionally and dive into the woods. Every time you do so you will be certain to find something that you have never seen before."