Zanshin means "remaining mind." After you send an email, finish a workout, or lock your front door, pause for two seconds. Do not rush to the next thing. Leave the situation with complete awareness. This prevents sloppy errors.
The Spirit of the Samurai Soulslike Review - Soulsborne Seeker The Spirit of the Samurai
The spirit dictated that the katana was the "soul of the samurai." It was never left leaning against a wall; it was placed on a stand (katana-kake) within arm’s reach. To draw the blade without cause was a grave insult. To clean the blade was a form of moving meditation. The samurai believed that a neglected sword reflected a neglected soul. Zanshin means "remaining mind
Contrary to popular belief, the samurai did not always carry a rulebook. evolved organically over nearly seven centuries, from the Heian period (794–1185) through the Tokugawa Shogunate (1603–1868). It was a fusion of Shintoism (reverence for nature and ancestors), Zen Buddhism (meditation and the void), and Confucianism (hierarchy and filial piety). This prevents sloppy errors
Consider (a legendary swordsman) or Yamaoka Tesshu (a master who helped negotiate the end of the Shogunate). They taught that the true enemy is not the man across the battlefield, but the ego within. This transition birthed modern Kendo (Way of the Sword), Judo (Gentle Way), and Aikido (Way of Harmonious Spirit).
You do not need a katana or a feudal lord to walk the samurai path. In the 21st century, the spirit manifests as a mindset.