Some things I understand.
Versatility. Adaptability. Timing. Composure. Perception.
These are the keys to it all - all else is flash and rigidity and superfluousness
Instead simply CUT.
Hold a sword with ironclad intention to cut and kill.
Weapon, body mind and spirit are tools in this craft. As a carpenter chooses from his tools the optimal one for a given task, so too must the above 4 be oriented towards the objective