"The most important thing is to keep on trying, to never give up."

"Before you can achieve anything, you must know what you want. And you must be prepared to sacrifice your comfort to get it."

"The day will come when the man at the telephone will be able to see the distant person to whom he is speaking."

"You cannot force ideas. Successful ideas are the result of slow growth. Ideas do not reach perfection in a day, no matter how much study is put upon them. It is perseverance in the pursuit of studies …"

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