I realised how rich I had become and I asked myself, 'Do I really want to be the richest person in the cemetery?

Anybody who gives away money is mostly looking at things where they think they can make a difference. I'm trying to help people who helped me, educational institutions that helped me with scholarships, or organizations that were very useful to me in growing up.

You can only do three things with your money. You can spend it. You can invest it. Or you can give it away. And if you invest it, you're really just getting more money to give away or buy something. How many things can you buy? So I don't really think there's a lot of choices.

My work life is intense. But I love what I do.

My father worked in a post office and never made probably more than $8,000 a year as an employee of the post office, so when people can rise up from very modest circumstances and do well economically, I think that's a good thing about America, and we should encourage that kind of activity.

I'm blessed by the fact I only need five hours of sleep on a daily basis. I do tend to regard Saturday and Sunday as work days.

Sometimes the best decisions in life are on the spur of the moment. So I generally try to do what I think is right. And sometimes I make mistakes.