The true science of martial arts means practicing them in such a way that they will be useful at any time, and to teach them in such a way that they will be useful in all things.

Do not let the body be dragged along by mind nor the mind be dragged along by the body

Crossing at a ford occurs often in a man's lifetime. It means setting sail even though your friends stay in harbour, knowing the route, knowing the soundness of your ship and the favour of the day.

It is imperative to master the principles of the art of war and learn to be unmoved in mind even in the heat of the battle.

Also by training you will be able to freely control your own body, conquer men with your body, and with sufficient training you will be able to beat ten men with your spirit. When you have reached this point, will it not mean that you are invincible?

When the enemy starts to collapse you must pursue him without the chance of letting go. If you fail to take advantage of your enemies collapse, they may recover.

This is truth: When you sacrifice your life, you must make fullest use of your weaponry. It is false not to do so, and to die with a weapon as yet undrawn.