It is said the warrior's is the twofold Way of pen and sword, and he should have a taste for both Ways. - Miyamoto Musashi

When your opponent is hurrying recklessly, you must act contrarily and keep calm. You must not be influenced by the opponent.

The Way is shown in five books concerning different aspects. These are Ground, Water, Fire, Wind, and Void. The body of the Way of strategy from the viewpoint of my Ichi school is explained in the Ground book. It is difficult to realise the true Way just through sword-fencing. Know the smallest things and the biggest things, the shallowest things and the deepest things. As if it were a straight road mapped out on the ground, the first book is called the Ground book.

Antiguamente éstos se llamaban tachi y katana, o el gran sable y el sable; actualmente se llaman katana y wakizashi;