As a martial arts enthusiast I found myself reading (again) my favourite book of all time, "The Book of Five Rings" by Miyamoto Musashi.
TLDR;
A 16th Century Samurai who had 64 duels to the death, never lost and wrote down all his techniques, thoughts and insights shortly before he died atop Mount Iwato.
Yeah I know, crazy, but true.
Anyway, I found myself...