The powers that be don’t want athletes or boxers to become as smart as they are.

If you don't know your own value, somebody will tell you your value, and it'll be less than you're worth.

It takes no effort to be ordinary. Ordinary is not even a challenge. You can do nothing and be ordinary.

I am an old man, I just happen to be an old man that can fight.

I would never let a white boy beat me. You can print that. I would never lose to a white person.

You’re hated by some, loved by others, but that’s what’s great about being different. If everybody loved you, that means you’re not doing the right thing most of the time.

I'm not going to give up. If you pay attention to my plan and the way I live and the way I eat, then you have a chance to extend your life a few more years.

The only way you can get experience is from the clock. Time works with some people and against some people. Fortunately, the clock has worked in my favor.

There are so many things I've done that the world of boxing has witnessed. It's going to be difficult for the boxing people to pick one of my performances as the best.

There's no great person that lived that didn't go through scrutiny or ridicule and prosecution in all types of ways, to be who they are in history.

I want to be the poster child for taking care of yourself after 40. Obesity is an epidemic in this country and I'm a living, breathing example of what it means to stay healthy.

People of color are allowed, even required to perform, and, especially these days on issues of race, to edify as well. 'Here you are, now entertain us'. But are we allowed to lead?

Who all in raptures their own works rehearse, And drawl out measur'd prose, which they call verse.

I do not think that any sorrow of youth or manhood equalled in intensity or duration the black and hopeless misery which followed the wrench of transference from a happy home to a school.

Better stop short than fill to the brim. Oversharpen the blade, and the edge will soon blunt. Amass a store of gold and jade, and no one can protect it.

I really hate being self-conscious—and being conscious of being self-conscious

The job of a professional manager is not to like people. It is not to change people. It is to put their strengths to work.

The challenges I have faced - among them material poverty, chronic illness, and being raised by a single mother - are not uncommon, but neither have they kept me from uncommon achievements.

Style is all about your individual sense of how you want to present yourself to the world. It's about loving what you've got instead of wishing for what you're not.

To gold and silver nature hath given no use that we may not well lack.

Climate change is probably the greatest long-term challenge facing the human race.