As a kid, chess was the first thing I studied in a structured way that helped me gain the discipline to study medicine and become successful doctor.

Do any exercise you want as long as you're willing to do it. You see gym equipment on TV advertisements all the time, but guess what? It's only good if you actually use it.

In my day, at 12 years old, which was 38 years ago, we worked out in summer months for two and a half hours. Today someone in that age group might work out for four hours, two hours in the morning and two at night

If you're fail to prepare, you're prepared to fail.

So in my mind I own a lot of house records still

When I went to the Olympics, I had every intention of shaving the moustache off, but I realized I was getting so many comments about it — and everybody was talking about it — that I decided to keep it.

Past performance speaks a tremendous amount about one's ability and likelihood for success.