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

You can't realize your dreams unless you have one to begin with.

A man’s best friend is a good wife.

The best thinking has been done in solitude. The worst has been done in turmoil.

Seeming to do is not doing.

My main purpose in life is to make money so I can afford to go on creating more inventions.

The entity that gives life and motion to the human body is finer still and lies infinitely beyond the reach of our finest scientific instruments. When this entity deserts the body, the body is like a ship without a rudder - deserted, motionless, dead.