Grim's Hall on Martial Arts: "This spiritual sword is used to cleave away the parts of yourself that weaken your spirit, so that you are more easily dominated. As it happens, those are the same parts that we tend to think of as being vices. What remains are the parts we think of as virtues. You must learn to strike down the desire for ease, and train instead. You must learn to strike down the desire for excess food, so that you can manage your weight. "

The social and spiritual function of the martial arts, in a concise, brief form.