I consider Paine our greatest political thinker. As we have not advanced, and perhaps never shall advance, beyond the Declaration and Constitution, so Paine has had no successors who extended his principles.

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

Be brave as your fathers before you. Have faith and go forward.

Invention is 10% inspiration and 90% perspiration.

There is time for everything.

Inspiration can be found in a pile of junk. Sometimes, you can put it together with a good imagination and invent something.

We will make electricity so cheap that only the rich will burn candles.