Today the objective of teaching martial arts is greatly simplified, being in many cases a mere instrument for sports and competitive training, a desirable matter as well and one that brings notable advantages to its practitioners, but which departs in part from the vision, advice and recommendations made by these three great Budo masters. Through these pages we will verify directly from the original source the true mission that budo has, both in today's society and in the future, studying who were the pioneers and protectors of Japanese martial arts undoubtedly brings with it the power to obtain the maximum benefit physical, ethical and mental in any aspect of our lives. Therefore, each sentence, proverb, document etc. it must be the fruit of a patient and complete analysis in order to clearly understand its true meaning. To make it easier to understand and read, we have introduced some stories, anecdotes and curious facts that will help us to verify his great human quality and the principles and values that he bequeathed to us. We firmly believe that a society where budo contributes its benefits is a healthy society, and therefore people who sincerely understand the principles of budo will make a beneficial contribution possible in this complex world. We work for the budo to be restored in all aspects and objectives, honoring the memory of the 3 great masters.