The United States, and other advanced nations, will someday be able to produce instruments of death so terrible the world will be in abject terror of itself and its ability to end civilization.... Such war-making weapons should be developed - but only for purposes of discovery and experimentation

What a man's mind can create, man's character can control.

There is far more opportunity than there is ability.

I will not say I failed 1000 times, I will say that I discovered there are 1000 ways that can cause failure

None of my inventions came by accident. I see a worthwhile need to be met and I make trial after trial until it comes. What it boils down to is one per cent inspiration and ninety-nine per cent perspiration.

To invent, you need a good imagination and a pile of junk.

Success depends on how many experiments you can fit into 24 hours