I used to psyche myself out. Only, back then, we didn't know the word 'psyche.'

There are beautiful things about the sport of boxing and there are ugly things.

It's hard being black. You ever been black? I was black once - when I was poor.

Sometimes success needs interruption to regain focus and shake off complacency.

I know a lot of people think I'm dumb. Well, at least I ain't no educated fool.

Opportunity knocks only once. You never know if you'll get another opportunity.

I have a relative who is also gay. We can't help it if they were born that way.

Live everyday as if it were your last because someday you're going to be right.

Even the greatest was once a beginner. Don't be afraid to take that first step.

You made a big mistake by letting me come, because now I'm going after your job

If I kept my mouth shut, because I can make millions, that isn't doing nothing.

Never put your money against Cassius Clay, for you will never have a lucky day.

I know I look arrogant, but I'm altogether a different person outside the ring.

I want my fights to be seen as plays that have a beginning, a middle and an end

No one but myself thought I could beat guys like Tommy Hearns or Roberto Duran.

When you're a boxer, there is a lot of downtime and long periods of inactivity.

I knew that I had done something that no man had been able to do to a champion.

Talk about the area of overcoming adversity, sucking it up, I rate myself a 10.

All my wives were great housekeepers. After every divorce, they kept the house.

Let him tell us he's never been hurt, but that's the definition of getting hurt.

As tired as I am, I can always go another round, and I feel the other guy can't.

I don't work out at all on Sunday. It's amazing. I look forward to every Sunday.

The Klit brothers should first fight each other, and the winner should fight me.

Even though I had a rough life I always had my mind on bigger and better things.

I'm a boxer who believes that the object of the sport is to hit and not get hit.

I didn't come back for the money. I just got sick of beating people up for free.

I fought Sugar [Ray Robinson] so many times that I'm lucky I didn't get diabetes

I wanted to get punished, and I took unnecessary punishment when I was fighting.

They bombed my granny's chippie, left it completely flat. I'll have her for that

I guess maybe there is two sides of me - the nice guy and then the beast within.

At the end of the day, you know, Keith Thurman is just not a 9-to-5 kind of guy.

I always enjoy myself fighting in Mississippi. I enjoy myself fighting anywhere.

In boxing you create a strategy to beat each new opponent, it's just like chess.

I have been in there with all of them and there is nothing left for me to prove.

I'm just a regular person who believes life is simple, and I like a simple life.

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

It's just a job. Grass grows, birds fly, waves pound the sand. I beat people up.

There's nothing stressful about turning 50 except people reminding you about it.

Frazier is so ugly that he should donate his face to the US Bureau of Wild Life.

If I spent my career responding to critics, I'd never be where I'm at right now.

I want my fights to be seen as plays that have a beginning, a middle and an end.

You don't knock Ray Mercer out with one or two shots. You have to make him quit.

I'm the best heavyweight outside the world champions, and let's not forget that.

I've got a horrible bastard side. I get to let it go every time I go in the gym.

Mental strength is really important because you either win or lose in your mind.

I'm a four-time world champion, so I don't want to hear anything about my losses.

I can be just as dirty. I could use my head or my elbows and we can we all dirty.

Your body releases a natural endorphin when you're fighting. You don't feel pain.

I want to have the same success in my acting career as I did in my boxing career.

Fighters find it hard to give up doing what they do best - fighting for a living.

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