Recently in our country, there has been a steadily increasing number of people who dislike work and pursue leisure and extravagance. Almost everywhere individuals and organizations are fighting with resultant loss of energy that is needed for positive action. In order to save them from this situation, a principle of judo, based on the maximum efficiency concept should be applied as one aspect of modern society and as a natural result of the application of the principle of maximum efficiency, a mutual welfare and prosperity is believed to be the only effective way to ease and neutralize the forces among these individuals and organizations.

Also quoted in "Hints For Judo" by D. Risei Kano, at usadojo.com - Kodokan Magazine (1974)