I don't work on a project unless I believe that it will dramatically improve life for a bunch of people.

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 consider high-speed data transmission an invention that became a major innovation. It changed the way we all communicate

Sometimes we crash and burn. It's better to do it in private.

The word entrepreneur is associated with success and adventure. From my life, the only thing I can tell you that's consistently associated with entrepreneurship is failure, and the only thing consistently associated with invention is frustration. There is a long road between the idea and the reality.

I think we have a society which is spending more and more of its money on healthcare as a percent of GDP as a percent of a lot of things. I think that's a measure of success.

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