If you are not progressing along the true way, a slight twist in the mind can become a major twist. This must be pondered well.

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.

If the enemy thinks of the mountains, attack like the sea; and if he thinks of the sea, attack like the mountains.

Do not let your opponent see your spirit

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.

In the construction of houses, choice of woods is made. Straight un-knotted timber of good appearance is used for the revealed pillars, straight timber with small defects is used for the inner pillars. Timbers of the finest appearance, even if a little weak, is used for the thresholds, lintels, doors, and sliding doors, and so on. Good strong timber, though it be gnarled and knotted, can always be used discreetly in construction.

It may seem difficult at first, but everything is difficult at first.