Meet the situation without tenseness yet not recklessly, your spirit settled yet unbiased. But he said, 'A samurai's word is harder that metal. A person who is said to be proficient at the arts is like a fool. Because of his foolishness in concerning himself with just one thing, he thinks of nothing else and thus becomes proficient. He is a worthless person.
Strategy is the craft of the warrior.
Commanders must enact the craft, and troopers should know this Way. It is said the warrior's is the twofold Way of pen and sword, and he should have a taste for both Ways.