When your spirit is not in the least clouded, when the clouds of bewilderment clear away, there is the true void.

Thirdly, the gentleman warrior, carrying the weaponry of his way. The way of the warrior is to master the virtue of his weapons. If a gentleman dislikes strategy he will not appreciate the benefit of weaponry, so must he not have a little taste for this?

To become the enemy, see yourself as the enemy of the enemy

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.

Know your enemy, know his sword.

There are many ways of understanding simple things, but generally the opposite is true for difficult ideas

A bullet from a gun does not make a distinction between practice and combat. You are training to be one and the same way in your life