Sharper knives require less force.
Tools that are in tune make work a lot less work and a lot more enjoyable.
I've been thinking that some guided study would benifit my being. Regaurdless of wether it's studying piano, oil painting, jujutsu, yoga or bushido.
I I think I'd feel sharper and more productive. Being out of school for the first extended period in my life i realize how much I enjoy learning.
Anyhow here's a bit on bushido. You can google it for more if it strikes your fancy :)
"If a man does not investigate into the matter of Bushido daily, it will be difficult for him to die a brave and manly death. Thus, it is essential to engrave this business of the warrior into one's mind well."