I think it's a little unfair for people to say you're not paying your fair share of taxes. I'm paying what I'm supposed to pay. Change the law, and I'll pay what I'm supposed to pay.

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.

I really hope that the philanthropy movement is seen not just as wealthy people giving money away but wealthy people giving away their time, their energy and their ideas.

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

For me, few things are more compelling than watching a great opera.

It's clear to me when you do private equity well, you're making companies more efficient and helping them grow and become more profitable. That success means our investors - such as public pension funds - benefit, which contributes to the economic wealth of society.

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.