It's different when you become a professional, because you also have to become a businessman, and that takes something away from it.

Before the start of the '76 Olympics, I'd had 160 amateur fights. I won 155 and lost five.

You just don't heal that easy unless you're young.

Ali's belief in himself was something I picked up on, and it's become my own philosophy.

It's hard to talk about yourself.

We're all given some sort of skill in life. Mine just happens to be beating up on people.

I'll think, If this is his first punch, how are the others gonna feel? That's the only fear I have for myself.

Boxing will always be in my life.

Boxing is the ultimate challenge. There's nothing that can compare to testing yourself the way you do every time you step in the ring. On the downside, you meet a lot of really bad people in boxing, at all stages of your career.

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