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

That gal's all skull and no brains. She's like Joe Frazier with lipstick.

Being angry and resentful of someone is like letting them live rent-free in your head.

They say I don't fight guys unless they're on a respirator. That's incorrect. They have to be at least 3 days off a respirator.

I was a tiger, a good fighter, in good shape, but I was always nervous before boxing matches.

Today the biggest decisions I make aren't related to the heavyweight title. They are whether I visit McDonalds, Burger King, Wendy's, or Jack-in-the-Box.

A hero is someone right who doesn't change.