All man are the same except for their belief in their own selves, regardless of what others may think of them

The way is in training.

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

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.

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

From inside fortifications, the gun has no equal among weapons. It is the supreme weapon on the field before the ranks clash, but once swords are crossed the gun becomes useless.

Develop intuitive judgement and understanding for everything.