The 'mountain-sea' spirit means that it is bad to repeat the same thing several times when fighting the enemy. There may be no help but to do something twice, but do not try it a third time. If you once make an attack and fail, there is little chance of success if you use the same approach again.

In large-scale strategy, when we see that the enemy has few men, or if he has many men but his spirit is weak and disordered, we knock the hat over his eyes, c…

When we are fighting with the enemy, even when it can be seen that we can win on the surface with the benefit of the Way, if his spirit is not extinguished, he…

What is meant by 'mingling' is the spirit of advancing and becoming engaged with the enemy, and not withdrawing even one step. You must understand this.

There is no point in hiding that before the war we mostly learned to attack, and did not pay enough attention to such an important manoeuvre as retreat. Now we…

Just as the defending force has gathered valuable experience from...Dieppe, so has the assaulting force...He will not do it like this a second time.

The way that helps will not be the same; it changes according to the situation.