It is said the warrior's is the twofold Way of pen and sword, and he should have a taste for both Ways. Even if a man has no natural ability he can be a warrior by sticking assiduously to both divisions of the Way.
Miyamoto MusashiA man cannot understand the art he is studying if he only looks for the end result without taking the time to delve deeply into the reasoning of the study.
Miyamoto MusashiNo man is invincible, and therefore no man can fully understand that which would make him invincible. Even with complete and thorough study there is always the possibility of being defeated and although one may be expert in a particular form, mastery is something a man never stops seeking to attain.
Miyamoto Musashi