Part 6/15:
Water embodies adaptability—the capacity to change shape and flow around obstacles. Musashi advocates that a master swordsman must cultivate a spirit that conforms to the situation, not rigidly adhere to fixed forms. Mastery of water means understanding that victory depends on intuitive judgment, quick adaptation, and the ability to perceive and respond to the battlefield’s rhythms.
He emphasizes that true combat ability stems from insubstantial yet precise movements—defining the spirit of defeating a single opponent as akin to conquering ten thousand. The essence lies in singular decisive actions: one cut, one decisive strike.