Frazier was not a big man at all. Frazier was about 5'9, but he would make anyone run. Put up your dukes and cover up because he's coming. He never backed up from anyone.

Growing up poor, I didn't even have a lunch to take to school. Lunch was 26 cents, and we didn't even know what 26 cents looked like. I didn't love school because I wanted to disguise that I was poorer than everybody else.

In 1973 I became heavyweight champion of the world with 38 victories, no defeats as a professional. You get to a point where you think you cannot lose. I felt like I had the greatest power with my fists, I was the strongest man in the world.

Iron' Mike Tyson is the last boxer who was truly embraced by the media. They followed him around. You didn't know what he was going to do next: bite you, cut you, fight you. When you think about it, that defines him - it was an exciting adventure.

Although I completed two years of internship in various small hospitals, I decided against continuing my medical training. I was much more fascinated by the unsolved problems of medicine than by practicing it.

No body can be healthful without exercise, neither natural body nor politic, and certainly, to a kingdom or estate, a just and honourable war is the true exercise.

When you play, of course you want to win, but the most important thing about pre-season is improving your fitness.

Guided only by their feeling for symmetry, simplicity, and generality, and an indefinable sense of the fitness of things, creative mathematicians now, as in the past, are inspired by the art of mathematics rather than by any prospect of ultimate usefulness.