The Book of Five Rings

by Miyamoto Musashi

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

when you cannot see the enemy’s position, indicate that you are about to attack strongly, to discover his resources.

you can win by relaxing your body and spirit and then, catching on to the moment the enemy relaxes, attack strongly and quickly, forestalling him.

In the Way of dueling, however, you must always be intent upon taking the lead and attacking. Attitude is the spirit of awaiting an attack. You must appreciate this.

Footballers do not fix their eyes on the ball, but by good play on the field they can perform well.

They had football in 17th century feudal iron curtain Japan? Or is this just a more accessible translation?

In strategy, fixing the eyes means gazing at the man’s heart.