But I do say that, if you will regularly devote 15 minutes a day, preferably before breakfast, for 60 days to the simple set of exercises that I devised for conditioning men in the navy, I guarantee that you will enjoy increased physical buoyancy and mental vigor.

The way to know about championship quality is to learn from champions, and that I did; studying them with professional purpose during my time in the ring and from habitual interest afterward.

Fat is one of the chief enemies of the heart because it has to be plentifully supplied with blood and thus needlessly increases the pumping load that the heart must sustain.

Ever since boyhood I've made a religion of keeping in shape by regular, conscientious exercise.

If all human lives depended upon their usefulness - as might be judged by certain standards - there would be a sudden and terrific mortality in the world.

I've seen Dempsey fight and I was impressed with his lack of knowledge.

A boxer must exercise and develop every part of his body.