Immature strategy is the cause of grief.

The Way is in training... Do nothing which is not of value.

If there is a Way involving the spirit of not being defeated, to help oneself and gain honour, it is the Way of Strategy.

A man cannot understand the art he is studying if he only looks for the end result without taking the time to delve deeply into the reasoning of the study.

from one thing, know ten thousand things

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?

If you do not control the enemy, the enemy will control you