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.

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

The only side effect of too much training is that you get into better shape. There is nothing wrong with that.

I'm trying to do the best I can. I'm not concerned with tomorrow, but with what goes on today.

Because a known fact is better than an unknown fact.

In everyday life there is always manana. There is no urgency

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