The Internal Revenue Service is the real undefeated heavyweight champion.

The Rope a Dope would not have existed without the Big Dope.

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.

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.

A Jack Russell terrier? My god. He'll burn you up. They never stop. A German shepherd, you can only go so many miles.

After you work out, you have your dog with you. There's no better companion. You've got to have a friend. I didn't like opponents who had dogs with them. Because you know they had a little edge. They have a friend

Don't try to reinvent the wheel. Just learn from the guys who have already done it well. You need a mentor, a seasoned coach who is willing to share his wisdom and experience with you. Ask someone who has already been successful to guide you.