Jiu-Jitsu is the way to the most effective use of physical, mental and spiritual strength. By teaching you attacks and defences it refines your body, you mind and your soul and helps you make the spiritual essence of Jiu-Jitsu a part of your very being. In this way you are able to perfect yourself and contribute something of value to the world.
The principle of maximum efficient-use of mind and body is the fundamental principle governing all the techniques of Jiu-Jitsu. This principle can also be applied to the improvement of the human body making it strong, healthy and useful, and so constitute physical education.
It can also be applied to the movement of intellectual and moral power, and this case constitutes mental and moral education. It can be applied to the movement of diet, clothing, housing, social interaction, and methods of business, therefore constituting a study in living. Jiu-Jitsu, in its fuller sense, is a study and method of training in mind, body and spirit as well as in the regulation of life affairs.