Exercise should be regarded as tribute to the heart.

I did six years of planning to win the championship from Jack Dempsey.

As a West Side kid fooling around with boxing gloves, I had been, for some reason of temperament, more interested in dodging a blow than in striking one.

A concave chest means that your diaphragm is sagging.

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.

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.

My own ambition in the ring had always been skillful boxing, speed and defense - on the order of Mike Gibbons.