When I decided to sell my company, I already had enough. I live simply. I don't own a house, a car, or even a TV. The less I own, the happier I am. The lack of stuff gives me the priceless freedom to live anywhere anytime. So I didn't need or even want the money from the sale of the company. I just wanted to make sure I had enough for a simple comfortable life.

My parents tell me I was fascinated by numbers even at age two, when I tried teaching other kinds to count using number blocks.

I lived on a couch in my office for ten years, and then luckily, I got wealthy enough to build a little penthouse on the roof — 700 square feet — and I moved up there.

He says, "Dad, I'm not necessarily looking for that. I just want to make enough money in doing this thing I love to do." I mean, what more could I say about that? So I said, "Go for it.

Now, it's been very hard for me to accept that. I never - I felt like - I always felt like I could blow it and nothing would never happen until this happened. So now, it's - no matter how hard I practice, it just seem like I can't do the plays I did.

I always felt like I could blow it and nothing would never happen until this happened.