budo on the street, Those who choose the path of budo must remain mindful that to approach training with a malevolent heart is destructive, a mindset known in kenjutsu as satsujinken (the murderous sword). (Otake Risuke)
Swordsmanship kenjutsu in the pre- Edo periods was specifically an art of aggression. However, there were warriors who devoted themselves to a thorough study of this art to achieve enlightenment.
Kenjutsu training is not only useful in self-defense but also is very good for your health.