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

I don't want to think about how many people have thought or still think that I'm crazy.

We cant live any more in a world which is based on stuff and not ideas. If you want to live with the world of stuff, were all doomed.

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.

[Chuck's wife] was standing behind me at the time and she said, 'Chuck hasn't fed himself in 19 years. So, you've got a choice: We keep the arm, or you keep Chuck.'

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.

We live in a world where virtually everybody expects there's going to be some reasonable therapy for virtually any situation.