If you cheat in the dark of the morning, you'll get found in the bright lights of the night.

Fighting George Foreman is like being in the street with an 18-wheeler coming at you.

I had my Olympic gold medal cut up into eleven pieces. Gave all eleven of my kids a piece. It'll come together again when they put me down.

The way I fight, it's not me beatin' the man. I make the man whip himself.

Champions aren't made in the ring, they are merely recognized there. What you cheat on in the early light of morning will show up in the ring under the bright lights.

Ali always said I would be nothing without him, but who would he have been without me?

There's one thing I don't ever think about: losing ... Instead, I think about how I'm going to win, and how I can do it the quickest way.