To be successful in life, you must get in the habit of turning negatives into positives.

Filling a need is not merely good business; it's a basic attitude towards life. If you see a need, do whatever you can to meet that need.

Nobody can do everything well, so learn how to delegate responsibility to other winners and then hold them accountable for their decisions.

Evil lurks where disappointment lodges.

I respect that you want to protect your niece. You know, I didn't want my daughter to become a boxer. Neither did Mohammad. But Joe Frazier, on the other hand, he had his baby girl boxing in the crib.

It’s great to reminisce about good memories of my past. It was enjoyable when it was today.

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.