An entrepreneur must deal with more uncertainty than a professional with a well-defined role.
Technologies like PayPal foster competition because they enable people to shift their funds from one jurisdiction to another, and I think that ultimately will lead to a world in which there's less government power and therefore more individual control.
When I moved to Cleveland, defense research was laying the foundations for the Internet. The Apollo program was just about to put a man on the moon - and it was Neil Armstrong, from right here in Ohio. The future felt limitless. But today, our government is broken.
If I had known how hard it would be to do something new, particularly in the payments industry, I would never have started PayPal. That's why nobody with long experience in banking had done it. You needed to be naive enough to think that new things could be done.
The best start-ups might be considered slightly less extreme kinds of cults. The biggest difference is that cults tend to be fanatically wrong about something important. People at a successful start-up are fanatically right about something those outside it have missed.