Do nothing which is of no use.

Anger. Control your anger. If you hold anger toward others, they have control over you.Your opponent can dominate and defeat you if you allow him to get you irritated.

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.

The ultimate aim of martial arts is not having to use them

In time, all things work to your advantage when you pursue them with an open heart.

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.

...most warriors only perform tricks. The way of the warrior is filled with soul and feeling