In fighting and in everyday life you should be determined though calm. Meet the situation without tenseness yet not recklessly, your spirit settled yet unbiased. An elevated spirit is weak and a low spirit is weak. Do not let the enemy see your spirit.
When in a fight to the death, one wants to employ all one's weapons to the utmost. I must say that to die with one's sword still sheathed is most regrettable.
To win any battle, you must fight as if you are already dead
You can only fight the way you practice
The only reason a warrior is alive is to fight, and the only reason a warrior fights is to win