the fundamental misunderstanding is that we practice to become perfect with the sword. - we do not. we practice to use the difficulty of mastering the technique as a gauge, microscope, intellectual and emotional resistance training to develop more effective strategies of problem-solving in real life,- combining efficient analytical thinking, with efficient emotional engagement, - to arrive at a in this sense optimizes way of approaching problems. where our emotional responses do not stand in the way of our analytical ability and vice versa, - with the goal that both "sides of our brain" work in tandem together one informing the other. - all that while improving on physical and mental resilience. this can also be extended to include our interpersonal as well as overall social strategies, aiming at a harmonious functioning social environment, of which the dojo can act as a experimental field and exhibition peace at the same time. if we do engage with this in mind, kono soke's demand that one practices to improve the character makes sense. - eishin ryu as a concepts is searching for the least complicated most practical and shortest way executing a technique, - which would also be a proposed direction of evaluating found solutions and further developing them into the future, in the sense mentioned above. If iaido is understood in this way, it provides a open ended arrow to future development and progress.