You should not have any special fondness for a particular weapon, or anything else, for that matter. Too much is the same as not enough. Without imitating anyone else, you should have as much weaponry as suits you.
Get beyond love and grief: exist for the good of Man.
Know your enemy, know his sword.
It may seem difficult at first, but everything is difficult at first.
Pay attention even to life's trifles.
To cut and slash are two different things. Cutting, whatever form of cutting it is, is decisive, with a resolute spirit. Slashing is nothing more than touching the enemy.