"Ju" means being natural or in other words the way which is natural and in accords with the truth of the universe and the one that human beings have to follow. Also, "Ju" may mean anything reasonable, just and honorable, accordingly noble: namely the realization of Truth , Good and Beauty.
Kyuzo MifuneA chance to try your technique is in one instant never to be regained, so try it without hesitation.
Kyuzo MifuneDo not place hope in finding a secret technique. Polish the mind through ceaseless training; that is the key to effective techniques.
Kyuzo Mifune