I’m far from being reclusive. I have 30- or 40-year friendships that I prefer to meeting new people. I go to an occasional party, but just because I don’t go to a lot of events, and I’m not out in public all the time doesn’t mean I’m anti-social or a recluse.

I used to think that if I made $50,000 I’d be the happiest guy in the world.

When you’re a self-made man, you start very early in life. In my case it was at 9 years old when I started bringing income into the family. You get a drive that’s a little different, maybe a little stronger, than somebody who inherited.

There are 2 phases to any invention. The first is the moment of inspiration. The second is the execution, which is less exciting but more than challenging in its own right.