The nation that secures control of the air will ultimately control the world.

Great discoveries and improvements invariably involve the cooperation of many minds. I may be given credit for having blazed the trail, but when I look at the subsequent developments I feel the credit is due to others rather than to myself.

What this power is, I cannot say... All I know is that it exists.

Before anything else, preparation is the key to success.

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.

First words on the first telephone - "Mr. Watson - come here - I want to see you."

Great discoveries and improvements invariably involve the cooperation of many minds.