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

The greatest invention in the world is the mind of a child.

Most of the exercise I get is from standing and walking around laboratory tables all day. I derive more benefit and entertainment from this than some of my friends and competitors get from playing games like golf.

The biggest failure of man is that he gives up before he realizes how close he was to success.

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.

I've realized that most of my best ideas have followed a good night's sleep.

For faith, as well intentioned as it may be, must be built on facts, not fiction - faith in fiction is a damnable false hope.