You have to know you can win. You have to think you can win. You have to feel you can win.

I'm not in favor of that [mandating protective headgear ] because we learn as amateurs how to protect ourselves. And that's why there's a third man in the ring, the referee. And that's why there has to be a very strong boxing commission that doesn't allow guys in the ring who don't belong there.

Bruce Lee was an artist and, like him, I try to go beyond the fundamentals of my sport. I want the public to see a knockout in the making.

To be honest, I don't know. I started one [book] back in 1982 or '83 when I first retired. But I was only 25 or 26 and not ready to write my memoirs.

I've never believed in tying myself up in a long-range contract, and I've been very outspoken on that subject.

To be the best, you need to spend hours and hours and hours running, hitting the speed bag, lifting weights and focusing on training.

When I'm not in training. I'll walk around the streets at 153, but it's not solid; it's my socializing weight.