People think of the inventor as a screwball, but no one ever asks the inventor what he thinks of other people

Thinking is one thing no one has ever been able to tax

People are very open-minded about new things - as long as they're exactly like the old ones

We have a lot of people revolutionizing the world because they've never had to present a working model

A man must have a certain amount of intelligent ignorance to get anywhere

Our imagination is the only limit to what we can hope to have in the future

There is a great difference between knowing and understanding: you can know a lot about something and not really understand it

If you want to kill any idea in the world, get a committee working on it

My interest is in the future because I am going to spend the rest of my life there

The future can be anything we want it to be, providing we have the faith and that we realize that peace, no less than war, required 'blood and sweat and tears