If you can look in your mother's eyes and she's proud of you, then you're a champion.

In boxing, I had a lot of fear. Fear was good. But, for the first time, in the bout with Muhammad Ali, I didn't have any fear. I thought, "This is easy. This is what I've been waiting for". No fear at all. No nervousness. And I lost.

All the dogs I have are German shepherds from Germany, and I fly them back to Germany to show them.

Sonny Liston stood up to me and actually made me give ground. No one has ever done that to me before or since.

I want to keep fighting because it's the only thing that keeps me out of the hamburger joints. If I don't fight, I'll eat this planet.

The referee is going to be the most important person in the ring tonight besides the fighters.

Filling a need is not merely good business; it's a basic attitude towards life. If you see a need, do whatever you can to meet that need.