Clearly, there are many places where diesel is king or gas-turbine is king, or IC engines will win, but there are many places in the world where, as we've seen, they just won't do the job. The modern version of the Stirling engine has some very, very attractive characteristics, and we're trying to optimize it for some of those applications.

I think an education is not only important, it is the most important thing you can do with your life.

Segway will be to the car what the car was to the horse and buggy.

Most of the time you will fail, but you will also occasionally succeed. Those occasional successes make all the hard work and sacrifice worthwhile.

The city needs a car like a fish needs a bicycle.

You have teenagers thinking they're going to make millions as NBA stars when that's not realistic for even 1 percent of them. Becoming a scientist or engineer is.

What really makes it an invention is that someone decides not to change the solution to a known problem, but to change the question.