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.

Fixation is the way to death. Fluidity is the way to life.

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

No man is invincible, and therefore no man can fully understand that which would make him invincible

When you have attained the way of strategy there will be nothing that you cannot understand. You will see the way in everything.

The bow is tactically strong at the commencement of battle, especially battles on a moor, as it is possible to shoot quickly among the spearmen.

Truth is not what you want it to be; it is what it is, and you must bend to its power or live a lie.