I'm undisputed and there's no disputing that.

I'm a dreamer. I have to dream and reach for the stars, and if I miss a star then I grab a handful of clouds.

You never lose until you actually give up.

What I've done in the past is history and what I'm gonna do in the future is a mystery

As long as we persevere and endure, we can get anything we want.

Everybody you fight is not your enemy and everybody who helps you is not your friend.

In order to succeed greatly, you have to be prepared to fail greatly. If you can't do both of them, you've got a problem.

Discipline is doing what you hate to do, but nonetheless doing it like you love it.

Everyone has a plan 'till they get punched in the mouth.

Fighting is a sport; if you're not humble it's going to bring humbleness to you.

You can just fight one man at a time.

The Tyson fight was like the hardest I ever trained for a fight in my entire career.

I have always said I am a five-dimensional fighter.

For me, there's never any bad blood - unless you do something to me.

The fight will last as long as I allow it to last.

People want to see me back in the ring. I think it is more of a drag lying around on the beach.

People know I was the last true champion.

I am going to have one Klitschko for breakfast and one Klitschko for lunch.

After about 25 fights you don't always have to keep going to the bathroom before the fight.